n.细枝,嫩枝
v.理解,明白
Haven't you twigged yet?
难道你还不明白?
Then I twigged that they were illegal immigrants.
然后我突然意识到他们是非法移民。
By the time she'd twigged what it was all about it was too late.
等到她把一切都想通时,已为时太晚。