动用 dòngyòng to utilize
to utilize; to put something to use
How to remember 动用: 动 move + 用 to use (Kangxi radical 101) = to utilize.
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How it is used
- To draw on / put to use a reserved resource - 动用存款 (dòngyòng cúnkuǎn) dip into savings; 动用武力 resort to force.
- Implies tapping something normally held back (funds, troops, reserves, power).
- More weighty than plain 用; the resource is significant or set aside.