1. In retrospect, that was clue number two.
回想起來(lái),那是第二條線索。

回想過(guò)去,回想起來(lái)

e.g: In retrospect, I wonder if we should have done more.
回想起來(lái),我想我們是否應(yīng)該做得更多。

2. Doesn't concern you.
跟你無(wú)關(guān)。

這里concern相當(dāng)于about。

e.g: This study concerns couples' expectations of marriage.
這個(gè)研究是關(guān)于夫妻對(duì)婚姻的期待的。

3. Don't get cocky.
別翹尾巴。

驕傲,自大,一般很讓人討厭

e.g: He's a cocky little man and I don't like him.
他是一個(gè)自大的小男人我不喜歡他。

4. OK, let me get this straight.
好,讓我理下思路。

get sth. straight
理清思路,了解事實(shí),搞清楚

e.g: I wanted to get the facts straight.
我想弄清事實(shí)。