◇to ?find out: (to get information about; to discover; to learn) 了解，發(fā)現(xiàn)

例句：
I was unable to find out the name of the man who called.
(我找不出那個(gè)打電話來(lái)的人的名字。)
Will you please try to find out for me what time that train arrives?
(能否請(qǐng)你替我查查那班火車什么時(shí)候到達(dá)?)

a. find out 與 find 均可用 that 從句做定語(yǔ)，此時(shí) find out 與 find 均表
“了解，發(fā)現(xiàn)”，但 find out 是指“有心去調(diào)查而逐漸了解”，而 find 則 多強(qiáng)調(diào)“一時(shí)的發(fā)現(xiàn)”。

例句：
I finally found out that it was John who broke the window.
(我終于查清楚打破窗戶的是約翰。)
I find that Peter is pleasant to get along with.
(我發(fā)現(xiàn)與彼得相處很愉快。)

b. find out 與 find 亦可用名詞或代詞做賓語(yǔ)。此時(shí) find out 多表“揭發(fā)或查出某真相”，find 則表“找到某物”。

例句:
If you cheat on me, I'll find you out some day.
(如果你對(duì)我不忠，總有一天我會(huì)把你查個(gè)水落石出。)
Did you find your lost wallet?
(你找到你遺失的錢包了嗎?)

c. find out 亦可與介詞 about 連用，形成下列短語(yǔ): find out about sth 了解某事
= learn about sth

例句:
When did you find out about Tom's affair?
(你是什么時(shí)候知道湯姆的風(fēng)流韻事的?）