let something passIGNOREto deliberately not say anything when someone says or does something that you do not like 对某事物不予理会[不加追究] Carla made some comment about my work but I decided to let it pass. 卡拉对我的工作作了一些评论，但我决定不予理会。
let something pass• When she started criticizing my parents, I couldn't let it pass.
→ let something pass at pass1(2)