out of one's wits
不知所措
A:Saying you wanted to kill yourself, you terrified me out of my wits.
A:你说要自杀，真是把我吓死了。
B:I was playing a joke on you.
B：跟你开个玩笑。
A:That's too much.
A:那也太过分了。
B:Dear, forgive me. I won't do that again.
B：亲爱的，原谅我，我再也不会这样了。