a leg up

基本解释

If nothing else, United would have a leg-up in the best-name squad if they sign Van Wolfenwhatever.
如果没别的，能签下范·沃尔夫斯维克尔，对曼联阵容补强来说也是有帮助的。
The Save: Clean slates are hard to come by, but with a little professional help Gibbo could get a bit of a leg-up.
拯救策略：将往事一笔勾销是很困难的，但若是借助一些专业帮助，吉普森就能重新站起来。
Similarly, when I speak, my introduction highlights my academic credentials and expertise, which gives me a leg-up in being able to persuade the audience to take a specific course of action.
简单，我一开口，那一番介绍就强调了我的学位和资历，自然多赋予我一层保障，好让我解决听筒那边的人，按我说的去做。

It also offered a leg-up for the rural masses to climb the social ladder.
ECONOMIST: The Turkish army
The noted Charles Mingus band alumnist Jackie Bayard(ph) gave him a leg-up on other studio wizards with some real jazz chops and a unique sonic sensibility.
NPR: The Bird and the Bee, Getting Buzz
To give non-English-speaking children a leg-up, the government agreed last year that all pupils should be taught in their mother tongue for at least the first three years of primary school.
ECONOMIST: English is dangerously dominant