"muster up" in Chinese (Traditional)
鼓起（勇氣、自信等）
Definition
努力鼓起某種情感、特質或能力，比如勇氣或力量，尤其在困難時。
Usage Notes (Chinese (Traditional))
常見於“鼓起勇氣/信心/力量”等，用來表示努力從內心激發出情感、特質。多用在面對困難時。
Examples
I tried to muster up the courage to speak in front of the class.
我試著**鼓起**勇氣在全班面前發言。
He couldn't muster up enough energy to finish his homework.
他沒能**鼓起**足夠的精力完成作業。
She needed to muster up confidence before the interview.
她在面試前需要**鼓起**信心。
After hours of doubt, I finally mustered up the nerve to call her.
經過幾個小時的猶豫，我終於**鼓起**勇氣打電話給她。
Sometimes you just have to muster up whatever strength you have left and keep going.
有時候你只能**鼓起**最後的力量繼續走下去。
He stared at the stage, trying to muster up enough bravery to join the contest.
他盯著舞臺，努力**鼓起**足夠的勇氣參加比賽。