GbEng
他不会说法语, 这使他很吃亏. His inability to speak French puts him at a disadvantage.
干这一行必须心狠, 谁顾别人谁吃亏. In this business you have to be tough, and the devil take the hindmost.
纳税诚实不吃亏. It pays to be honest with the taxman.
[谚]与狗同眠的人必然惹一身跳蚤;同坏人为伍必然吃亏。 He that lies down with dogs must rise up with fleas.