第一，迷你對(duì)話

A: Tom is late again.

Tom有遲到了。

B: He's at it again, isn't he?

他是明知故犯，不是嗎？

A: You should give him a lesson.

你該教訓(xùn)下他了。

B: But he's only a tartar.

但是，他是個(gè)難對(duì)付的人。

第二，地道表達(dá)

at it

1. 解詞釋義

At it的意思是 involved in an action, activity, or pursuit vigorously, exhaustively, or determinedly。（積極地，徹底地，堅(jiān)決地從事某事）。

2. 拓展范例

E.g. I studied really hard for this test; I was at it all night.

我為了這事測(cè)驗(yàn)，真的很刻苦學(xué)習(xí)。我整個(gè)晚上都在學(xué)習(xí)。

E.g. I wish those dogs would quit barking, they've been at it since the sun came up!

我希望這些狗停止吼叫，他們從太陽(yáng)升起的時(shí)候就開(kāi)始叫起來(lái)了。

E.g. Be up and at it before sunrise.

日出前起來(lái)做吧。

E.g. We do have internal leaks. We have caught some people at it.

我們內(nèi)部確實(shí)有人泄密。我們已經(jīng)抓住一些干這種事的人。

第三，好詞妙語(yǔ)

give sb. a lesson：教訓(xùn)某人

E.g. If you keep on pissing my sister around, I'll give you a lesson.

如果你繼續(xù)要糊弄我妹妹的話，我一定要教訓(xùn)你。

E.g. You see! He didn't even give me food this morning again. I will give him a lesson.

你看！他早上又沒(méi)有給我食物。我要給他個(gè)教訓(xùn)。