- 1. oil; lubricate
- ♦ 这台机器该~了。 This machine needs oiling.
- 2. refuel
- ♦ 飞机要在上海降落~。 The plane will land in Shanghai for refuelling.
- ♦ 空中~ in-flight (or air) refuelling
- 3. make an extra effort
- ♦ ~干 work with added vigour
- ♦ ~! ~! Come on! Come on!
- ♦ 观众为运动员~。 The spectators cheered the players on.