Definition
To press the upper and lower teeth together, often as a sign of anger or frustration.
（常指因憤怒而）咬緊牙關。
Upon hearing the news, he gritted his teeth, unable to utter a word.
聽到這個消息，他咬緊牙關，說不出話來。
She gritted her teeth, trying to contain her rage.
她咬緊牙關，試圖壓制自己的憤怒。
He felt so frustrated, he could only grit his teeth and endure it.
他感到非常沮喪，只能咬緊牙關忍受。
- C2
To face a difficult or unpleasant situation with determination and resolve.
咬緊牙關，下定決心（以應對困難的局面）。
Although the situation was tough, they gritted their teeth and continued working.
雖然情況很艱難，但他們咬緊牙關繼續工作。
To complete this project, we have to grit our teeth and put in the extra effort.
為了完成這個專案，我們必須咬緊牙關付出額外的努力。
Despite facing many challenges, she gritted her teeth and persevered.
儘管面臨許多挑戰，她還是咬緊牙關堅持了下來。