甘居人下: content to be below others; contented to occupy a position below others; willing to enslave oneself to another person
中游: 1.(河流中段) middle reaches; midstream 短语和例子中游河段 middle reaches; 黄河中游 the middle reach of the huanghe river.2.(中间状态) the state of being middling 短语和例子甘居中游 be resigned to the middling state; be