- move something or somebody to a lower position
同义词:lower, take down, let down, get down, bring down
- set lower
同义词:lower, lour
- cause to drop or sink
同义词:lower, depress
- make lower or quieter
同义词:turn down, lower, lour
- look angry or sullen, wrinkle one's forehead, as if to signal disapproval
同义词:frown, glower, lour, lower