1. 加热;使暖和;变暖和
If you warm something up or if it warms up, it gets hotter.
2. (为体育比赛) 热身，做准备活动
If you warm up for an event such as a race, you prepare yourself for it by doing exercises or by practising just before it starts.
3. (使)(机器或引擎)预热;(使)启动
When a machine or engine warms up or someone warms it up, it becomes ready for use a little while after being switched on or started.
4. (使)活跃起来;(使)兴奋起来;暖场
If a comedian or speaker warms up an audience or the audience warms up, the audience is prepared for the main show or speaker by being told jokes, so that they are in a good mood.
1. make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity
2. cause to do preliminary exercises so as to stretch the muscles
e.g. The coach warmed up the players before the game
3. become more friendly or open
e.g. She warmed up after we had lunch together
4. get warm or warmer
e.g. The soup warmed slowly on the stove
Synonym: warm
5. run until the normal working temperature is reached
e.g. We warmed up the car for a few minutes