boil up
phrasal verbwithboilverbuk/bɔɪl/us/bɔɪl/
If abademotionboilsup, itbecomesverystronganddifficulttocontrol:
（负面情绪）难以控制Angersuddenlyboiledup in him.他突然怒火中烧。
Becoming and making stronger
- aggrandize
- bolster
- cement
- character-building
- concentrated
- deepen
- harden
- hardening
- invigoration
- jell
- power(something)up
- reinforcement
- restrengthen
- sharpen
- solidification
- solidify
- soup
- soupsomethingup
- stiffen
- wired