习惯用语(be) at a disadvantage1.处于不利地位put sb. at a disadvantage1.使某人处于不利地位keep sb. at a disadvantage1.使某人处于不利地位take sb. at a disadvantage1.乘隙攻击某人, 攻其不备to sb.'s disadvantage1.对某人不利, 使某人吃亏to the disadvantage of sb.1.对某人不利, 使某人吃亏