情景对话：

Mike: So is, uh, Rex gone for good?

Susan: I don't know. God, I hope not. I mean, they've always been wound a little tight, but I've never seen them like that. Then again, who am I to judge?

知识点笔记：

Rex gone for good?

Rex要彻底离开了吗？

For good
永远，彻底

【例句一】
A: I haven't seen Harry in awhile.
B: Oh, he's gone for good. He took a new job in San Francisco.

我有一阵没见Harry了。
哦，他彻底离开了。他在三藩市找到了一份新工作。

【例句二】
A: Do you plan on living in the US for good?
B: We will go back after graduation.

你们会在US定居吗？
我们毕业后会回去。

Then again
不过

【例句一】
My dad said he'll buy me a PS4 for my birthday. Then again, he rarely keeps his promises.
我爸说我生日要给我买个PS4。不过呢，他很少实现他的诺言。

【例句二】
A: What are we doing tonight?
B: I think Bob wants to take us to a club tonight then again he did say something about a party. I'm not sure.

我们今晚做什么？
我记得Bob说要带我们去个夜店，不过他又说有个party，所以我也不知道。

Who am I to judge?

我又凭什么评价/评判/批评呢？

【例句一】
A: You really need to start saving money.
B: Who are you to judge? You spend all your money on clothes.

你真的需要存钱了。
你凭什么评价我啊，你把所有钱都花在买衣服了。

【例句二】
Maybe they didn't work out because they were just too different.
But who am I to judge? I haven't been in a relationship in over 2 years.
他们没在一起可能是他们太不一样了，但是我凭什么评价啊，我都两年没有过男女朋友了。