怠

例句：

1. 1.He was too tired to finish the work on time.
   他太累了，没能按时完成工作。
2. 2. She is always slacking off at the office.
   她总是在办公室偷懒。
3. 3. The car's engine has been slacking for a while now.
   这辆车的引擎已经很久没发动了。