- 不: a block of wood
- 滥: overflow; flood; inundate
- 费: fee; expense; expenditure; d ...
- 气力: effort; energy; physical str ...
- 白费气力: waste one's effort on; draw water with a sieve; pour water into a sieve; catch at shadows; plough the sands; go on a wild goose chase; beat the air
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