He'll wig out when he read the letter.
他看了信将会激动得发狂。
LL: to wig out means the same as to freak out.
噢，wig out跟freak out意思一样，就是让人激动，或者把人吓坏了。
You see that judge in a wig coming out at the iron door?
你看见那个戴假发的法官从铁门里出来了吗？
Your letter should wig him out.
你的信会使他非常激动。
This letter should wig him out.
你的信会使他非常激动。
This letter should wig him out.
你的信会使他非常激动。
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