他动不动就生气。
He gets angry at the drop of a hat.
(typically followed by 就) apt to (lose one's temper, catch a cold etc); at the drop of a hat
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他动不动就生气。
He gets angry at the drop of a hat.
这孩子动不动就哭。
This child cries at the slightest thing.