hot up

动词 hot up:

1. gain heat or get hot
   同义词：heat, heat up
2. make more intense
   同义词：heat up, screw up
3. make more powerful
   同义词：soup up, hop up

1. With only a week to go before the election things are really hotting up.
   还有一个星期就要进行选举，一切越来越紧张了。