ReadWriteQuiz
Chinese dictionary
slan able person always toils; the abler one is, the more one should do; the capable ones are always busy
俗话说“能者多劳”。经理见你这么能干,就把什么都交给你了。
The saying goes, "the abler one is, the busier one is." So it's because you're so capable that the manager leaves everything to you.