then

1. ADV Then means at a particular time in the past or in the future. 那時(shí)

He wanted to have a source of income after his retirement; until then, he wouldn't require additional money. 他想在退休后有個(gè)收入來(lái)源，而這之前則不需要額外的錢。

Executives pledged to get the company back on track. Since then, though, shares have fallen 30 per cent. 主管們發(fā)誓要讓公司重上軌道，不過(guò)從那以后股票價(jià)格還是下降了30％。

2. ADJ Then is used when you refer to something which was true at a particular time in the past but is not true now. 當(dāng)時(shí)的[ADJ n]

...a tour of the then new airport. …在當(dāng)時(shí)新機(jī)場(chǎng)的一次參觀。

3. ADV Then is also an adverb. 當(dāng)時(shí)[ADV group]

Richard Strauss, then 76 years old, suffered through the war years in silence. 理查德·斯特勞斯當(dāng)時(shí)已76歲，默默地熬過(guò)了戰(zhàn)爭(zhēng)歲月。

4. ADV You use then to say that one thing happens after another, or is after another on a list. 然后

Add the oil and then the scallops to the pan, leaving a little space for the garlic. 往鍋里倒入油，然后加入扇貝，再放一點(diǎn)大蒜。

5. ADV You use then in conversation to indicate that what you are about to say follows logically in some way from what has just been said or implied. 那么[cl/group ADV]

"I wasn't a very good scholar in school."—"Then why did you become a teacher?"

“我在學(xué)校時(shí)成績(jī)不是很好?！薄?“那你為什么當(dāng)老師呢？”

6. ADV You use then to signal the end of a topic or the end of a conversation. 用于表示話題或談話結(jié)束[cl/group ADV]

"I'll talk to you on Friday anyway."—"Yep. Okay then."

“我星期五總歸要和你談?wù)劦??！?—“行，就這么定了。”

7. ADV You use then with words like "now," "well," and "okay," to introduce a new topic or a new point of view. 用于引入新話題或新觀點(diǎn)[adv ADV]

Now then, I'm going to explain everything to you before we do it. 嗯，我要在我們動(dòng)手之前向你們把一切解釋清楚。

8. ADV You use then to introduce the second part of a sentence which begins with "if." The first part of the sentence describes a possible situation, and then introduces the result of the situation. (引導(dǎo)以“if”開(kāi)頭的句子，敘述可能的情況) 那么[ADV cl]

If the answer is "yes," then we need to leave now. 如果答案為“是”，那么我們現(xiàn)在就該離開(kāi)了。

9. ADV You use then at the beginning of a sentence or after "and" or "but" to introduce a comment or an extra piece of information to what you have already said. (用于句首或“)(and)(”、“)(but)(”之后) 話說(shuō)回來(lái)[ADV cl]

He sounded sincere, but then, he always did. 他聽(tīng)起來(lái)很誠(chéng)懇，不過(guò)，話說(shuō)回來(lái)，他一貫如此。

10. now and then→see now

11. there and then→see there