lower² v [T] 1 to become less, or to reduce something in amount, strength etc 减少，降低: We're lowering prices on all our products! 我们降低了所有产品的价格！ lower your voice (=speak more quietly) 压低嗓音 2 to move something down 降下〔某物〕: The flag was lowered at sunset. 日落时分降旗。