短语词组短语I Let It Drop 我让它下降let sth drop 不再做或提某事Let S Drop It 咱们这个Let It Drop 让它放let matter drop 罢休let the matter drop 罢休Let the Dollar Drop 让美元贬值let drop a hint 露口风;翻译Four let drop one tallly 四低一高 返回 let drop