W-4:weight one's words 字斟句酌
A:What are you doing?
A：你在干什么？
B:I am writing a letter to my boyfriend.
B：我正打算给男朋友写信。
A:You look so serious?
A:那为什么你看起来一脸严肃呀？
B:I'm just weighing my words. I don't want to marry him, but I don't want to hurt his feeling, either.
B：我只是在斟酌字句，我不想嫁给他，又不想伤他的心。
