She still hasn 't twigged how to do it .

她仍旧不明白怎么做。

You must have twigged something !

你一定发现了什么线索!

I soon twigged why she hadn 't come .

我没多久就知道她为什么没有来。

Haven 't you twigged yet ?

难道你还不明白吗？

I finally twigged what he meant .

我终于弄明白了他的意思。