咬實牙關 [－实－关]

Jyutping ngaau5 sat6 ngaa4 gwaan1
Pinyin yǎo shí yá guān

Definitions (粵典–words.hk)
  1. 動詞
    遇到​難關​或者​困境​嘅​時​候​堅​持​落​去
    to grit one's teeth; to persevere in a hard time
  2. 參看
    咬實牙根
Definitions (Kaifangcidian)
  1. 咬緊牙關 – 咬紧牙关