疲于奔命[pí yú bēn mìng]
词典be kept constantly on the run：疲于奔命。
词典be tired and exhausted from running about on missions：疲于奔命。
词典be tired out by too much running around：疲于奔命。
词典be tired to death with hustling and bustling：疲于奔命。
疲于奔命[pí yú bēn mìng]
be kept constantly on the run; be tired and exhausted from running about on missions; be tired out by too much running around; be tired to death with hustling and bustling; be tired with running about; be weighed down with work; run off one's legs; run one
例：这支神出鬼没的游击队搞得侵略者疲于奔命。
This guerrilla detachment which mysteriously appeared and disappeared kept the invaders constantly on the run.
1. feeling drained by demands：growing weary 疲倦 | feeling drained by demands疲于奔命 | dragging through the day勉强度日
2. tired from rushing around on business：946. 奔波 rush about, bustle and hustle | 947. 疲於奔命 tired from rushing around on business | 948. 契闊三年 absence of three years