v.努力争取(for)( labor的第三人称单数 )；苦干；详细分析；（指引擎）缓慢而困难地运转 英英释义： labor[ 'leibə ]n.productive work (especially physical work done for wages)"his labor did not require a great deal of skill"同义词：labourtoila social class comprising those who do manual labor or work fo