A：You really should stop (smoking/ drinking/ doing drugs).
      你真的應(yīng)該（戒煙/戒酒/戒毒）了。

B：I know.
      我知道。

A：Tell me about (it/ your courses/ your plans).
      跟我說說（這事/你的課程/你的計劃）。

B：Where should I start?
      我應(yīng)該從哪兒開始呢？

B：I’ve been so (busy/ stressed out/ overwhelmed) lately.
      我近來（一直很忙/壓力很大/負(fù)荷很大）。

A：You should take it easy.
      你應(yīng)該放松一些。

1. 應(yīng)該;應(yīng)當(dāng)
    You use should when you are saying what would be the right thing to do or the right state for something to be in.

    e.g. I should exercise more...
           我應(yīng)該多鍛煉一些。
    e.g. The diet should be maintained unchanged for about a year...
           這樣的飲食應(yīng)保持約一年不變。

2. (表示給出指示或公布官方命令)應(yīng)該，必須
    You use should to give someone an order to do something, or to report an official order.

    e.g. All visitors should register with the British Embassy...
           所有游客都必須到英國大使館登記。
    e.g. The European Commission ruled that British Aerospace should pay back tens of millions of pounds.
           歐洲委員會裁定英國航空航天公司應(yīng)該償還數(shù)千萬英鎊。

3. (表示與說話者的意愿相反)本應(yīng)
    If you say that something should have happened, you mean that it did not happen, but that you wish it had. If you say that something should not have happened, you mean that it did happen, but that you wish it had not.

should的近義詞

    e.g. I should have gone this morning but I was feeling a bit ill...
           今天早晨我本應(yīng)該走的，但是我覺得有點不舒服。
    e.g. I should have been in the shade like all the other tourists, then I wouldn't have got burned...
           我本應(yīng)該像其他旅游者一樣呆在陰涼處的，那么我就不會曬傷了。

4. (表示預(yù)期或可能性)應(yīng)該會，可能
    You use should when you are saying that something is probably the case or will probably happen in the way you are describing. If you say that something should have happened by a particular time, you mean that it will probably have happened by that time.

should

    e.g. You should have no problem with reading this language...
           閱讀這種語言你應(yīng)該沒問題。
    e.g. The voters should by now be in no doubt what the parties stand for...
           選民們現(xiàn)在應(yīng)該確切知道各黨派的主張了。

5. (用于疑問句中表示征求意見、同意或咨詢情況)可以，應(yīng)該
    You use should in questions when you are asking someone for advice, permission, or information.

should的意思

    e.g. Should I or shouldn't I go to university?...
           我該不該去上大學(xué)呢？
    e.g. What should I do?...
           我應(yīng)該怎么做？

6. (通過假設(shè)自己處于對方立場會怎么做來提出建議)應(yīng)該，可以，會
    You say 'I should', usually with the expression 'if I were you', when you are giving someone advice by telling them what you would do if you were in their position.

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    e.g. I should look out if I were you!
           如果我是你，我會小心的。
    e.g. James, I should refuse that consultancy with Shapiro, if I were you...
           詹姆斯，如果我是你，我就會拒絕向夏皮羅咨詢。

7. (用在條件從句中表示事件發(fā)生的可能性)將要，假定要
    You use should in conditional clauses when you are talking about things that might happen.

    e.g. If you should be fired, your health and pension benefits will not be automatically cut off...
           如果你被解雇，你的醫(yī)療和養(yǎng)老保險金不會自動中斷。
    e.g. Should you buy a home from Lovell, the company promises to buy it back at the same price after three years...
           如果你從洛弗爾公司買房子，該公司承諾3年后以同樣的價格再購回。

8. (用在由 that引導(dǎo)的從句中，放在某些動詞、名詞和形容詞之后，表示將來的事件或情況)應(yīng)該，能夠，竟然會
    You use should in 'that' clauses after certain verbs, nouns, and adjectives when you are talking about a future event or situation.

    e.g. He raised his glass and indicated that I should do the same...
           他舉起了杯子并且示意我也應(yīng)該這樣做。
    e.g. I insisted that we should have a look at every car...
           我堅持我們每輛車都應(yīng)該看一下。

9. (與第一人稱連用，表示沒有把握)會，可能
    You use should in expressions such as I should think and I should imagine to indicate that you think something is true but you are not sure.

    e.g. I should think it's going to rain soon...
           我想可能馬上要下雨了。
    e.g. 'I suppose that was the right thing to do.' — 'I should imagine so.'...
           “我認(rèn)為那樣做是對的?！薄拔蚁胧前伞！?/p>

10. (與第一人稱連用表示客氣的請求等)想要，將會
      You use should in expressions such as I should like and I should be happy to show politeness when you are saying what you want to do, or when you are requesting, offering, or accepting something.

      e.g. I should be happy if you would bring them this evening...
             如果今晚你將他們帶來的話，我會很高興。
      e.g. 'I should like to know anything you can tell me,' said Kendal...
             “只要是你能告訴我的，我都會洗耳恭聽，”肯德爾說。

11. (強(qiáng)調(diào)所經(jīng)歷的事有趣、令人震驚等)實在該，真該，真應(yīng)當(dāng)
      You use should in expressions such as You should have seen us and You should have heard him to emphasize how funny, shocking, or impressive something that you experienced was.

      e.g. You should have heard him last night!
             昨晚你真該聽聽他所說的。
      e.g. You should have seen him when he first came out — it was so sad...
             你真應(yīng)該看看他第一次出現(xiàn)時的樣子，真讓人難過。

12. (用在由who，what等引導(dǎo)的疑問結(jié)構(gòu)中，后接but，強(qiáng)調(diào)某件事令人驚訝或震驚)居然
      You use should in question structures which begin with words like 'who' and 'what' and are followed by 'but' to emphasize how surprising or shocking a particular event was.

      e.g. I'm making these plans and who should I meet but this blonde guy and John.
             我正在制訂這些計劃，沒想到這時候居然遇上這個金發(fā)的家伙和約翰。