他投身教育。
He threw himself into education.
to throw oneself into sth
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.
他投身教育。
He threw himself into education.
投身公益的人多。
Many people join public good work.