力争 lìzhēng to work hard for
to work hard for; to do all one can; to contend strongly
How to remember 力争: 力 power + 争 contend = to work hard for.
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How it is used
- To strive hard to achieve a target - 力争上游 (lìzhēng shàngyóu) strive to be the best; 力争完成任务 do all one can to finish the task.
- Also 'argue forcefully for': 力争自己的权利 fight for one's rights.
- Formal/aspirational; common in plans and speeches (力争实现…).