leg-up
/ˈlegʌp/noun
in sing.
1- help to mount a horse or high object（帮助上马或登高时）推一把, 扶一下：
give me a leg-up over the wall.
推我一把, 让我翻过墙去。
1.1
- help to improve one's position帮助改善处境：
the council is to provide a financial leg-up for the club.
委员会将给俱乐部提供财政支持以改善其处境。
短语
have （或get） a leg-up on
- US informal have (or get) an advantage over〈美, 非正式〉占有（或取得）对…的优势：
he'd certainly have a leg-up on the competition.
他当然会在竞赛中占有优势。