1. 脱口而出：plump in 突然进入 | plump out 脱口而出 | plump up 鼓起

verb

1. make fat or plump

e.g. We will plump out that poor starving child

Synonym: fattenfatflesh outfill outplumpfatten outfatten up

2. depart suddenly

e.g. He plumped out of the house