知趣

She tactfully discouraged their uninvited guests from staying longer.

她巧妙地使这些不请自到的客人知趣儿，没有再呆下去。

Fortunately, she had the grace to apologize as soon as she realized she had offended them.

幸运的是，她到自己冒犯了他就知趣地道了歉。