瞧，我早跟你说过吧！
See, didn't I tell you so?
I shouldn't have done that. （我真不该做那事。）
See, didn't I tell you so? （瞧，我不早告诉你了吗？）
See, I told you!
I told you, didn't I?
See, I'm right. （瞧，我是对的吧。）
You should have listened to me. （你早该听我的。）

那是当然的。
Good for you.
I lost. （我输了。）
Good for you. （这是当然的。）

报应！/活该。
Serves you right. *serve…right 短语，表示“当然的报应”。
I got a speeding ticket. （我超速挨罚了。）
Serves you right. （活该！）
Well, you got what you deserved.
Well, that'll teach you a lesson.
That serves you right.
You deserve it.
You asked for it.
You were asking for it.
You got what was coming to you.

很难说。/世事难料。
You never know.
I'll never win the lottery. （我肯定中不了奖。）
You never know. （很难说。）
Anything could happen. （什么事都可能发生。）
You can't be too sure. （什么事都可能发生。）

不足为奇。/没什么奇怪的。
No wonder.
She's tired. （她累了。）
No wonder. （这不足为奇。）
That makes sense. *make sense “合乎道理”、“理所当然”。
It makes sense.
Ah, I get it. （啊，知道。）

难怪……
That's why…
She's very busy. （她非常忙。）
That's why she's so tired. （难怪她会很累。）