投身 tóushēn to throw oneself into something
How to remember 投身: 投 to pitch + 身 body = to throw oneself into something.
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How it is used
- To throw oneself wholeheartedly into a cause or career - 投身教育事业 (tóushēn jiàoyù shìyè) devote oneself to education.
- Suggests full personal commitment to something larger, usually a worthy endeavor.