VERB
使減輕；使減弱；使削弱
To attenuate something means to reduce it or weaken it.
例句
You could never eliminate risk, but preparation and training could attenuate it...
風險不可能完全消除，但可以通過防范和培訓來降低。
Theirs had been an increasingly attenuated relationship.
他們的關系日益冷淡。