swell up

• 动词短语，指因内部压力、液体、气体或情绪等原因而变大、鼓起、肿胀或增强。

A phrasal verb used to indicate the act of becoming larger, rounder, or more intense, often due to pressure, emotion, or physical reaction.

不可数 · 不规则动词 · 不及物 · 短语动词，不可分

1. Increase in sizeinformal

   To become larger or rounder than usual, often due to injury, infection, or fluid accumulation.

   肿胀

   • His ankle swelled up after he twisted it.
   • The bee sting caused her hand to swell up.
   • The river swelled up after the heavy rain.

   同义词balloonbloatbulgedistendenlargeexpandpuff upswell

2. Become emotionally intenseinformal

   To feel a sudden increase in emotion, such as pride, anger, or excitement.

   涌起

   • His heart swelled up with pride when he saw his son graduate.
   • She felt anger swell up inside her as she listened to the unfair criticism.
   • Emotions swelled up in the crowd during the final song.

   同义词floodoverflowrisesurgewell up

基本动词swell