each to his own
... To each his own hiding-place 每个人心中都有一个躲藏的世界 each to his own 一个萝卜一个坑 Each to His Own Kind 晏子使楚 ...
horses for courses
... 一个劲儿 continuing 一个萝卜一个坑 horses for courses; each to his own 一个人 alone ...
there is nobody to spare
移动汇率 movable rate 一个萝卜一个坑 one radish one hole-each has his own work to do; there is nobody to spare 枯竭一此中国枯竭的原则 枯竭one-China枯竭 principle ..
一个萝卜一个坑,常用俗语。比喻一个人有一个位置,没有多余。