劍橋詞典an activity or process that is not at all effective or successful 無用功,白費(fèi)力 Yesterday's meeting was a dead loss - nothing was decided . 昨天的會(huì)白開了——什么都沒有決定下來。 a person who is not successful or useful 廢物;無用之人 I was a dead loss at languages at school . 我上學(xué)時(shí)對(duì)各種語言課程總是一籌莫展。 John was a dead loss - he just stood there and did nothing. 約翰真沒用——他干站在那里什么也不干。 返回 dead loss