twig

1. N-COUNT A twig is a very small thin branch that grows out from a main branch of a tree or bush. 細枝

There is the bird, sitting on a twig halfway up the tree. 鳥兒在那裡，棲息在樹中段的一根細枝上。

2. V to understand (something) 理解

3. V to find out or suddenly comprehend (something) 發現; 頓悟

he hasn't twigged yet