quitter
n (often derog 常作贬义) person who does not finish a task he has started, esp one that is done as a duty 对工作半途而废的人; (尤指对职责)不善始善终的人
I've asked you to do this for me because I know you're not a quitter. 我要求你为我做这件事, 因为我知道你做事不虎头蛇尾.
🗣️ 情景例句
Jogging is good for your health.
慢跑有利于你的健康。
An empty sack cannot stand upright.
空麻袋,立不直。
I had been asked to drive in heavy traffic and had done so successfully.