"You are not quite such a fool as you look", is a left handed compliment.
“你看来不那么笨嘛”是一句言不由衷的恭维话。
He handed her a nice compliment.
他把她恭维了一番。
Also a popular phenomenon known as negging or offering a "back-handed" compliment which was meant to make a man look confident and self assured, was more likely to cause her to "run for the hills".
此外，有一种流行的趋势，就是批评抨击或者讽刺挖苦，能使看起来更加自信，但这更有可能把身旁的女性吓跑。
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