- 1. 支持 He would have lost his position if you hadn't backed him up. 假如你當初沒有支持他，他可能已經失去職位了。
back-up 名詞：指支援、後援 例句：I need some back-ups, please help me. 我需要幫手，請幫忙一下。 形容詞：作支援的、做預備...
... father supports his tuition / 他的爸爸支助他的學費 Back up 一般很少用了, 一般都是用來用作電腦的"備份" 或者你可以想 back up...
Traffic will be backed up during rush hour. I plan on being on the road before then. back up有多...