leg-up

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈleg-up noun  give somebody a leg-up informal a) UPto help someone to get up to a high place by joining your hands together so they can use them as a step 〔双手交叉〕让某人踩着登高 b) British EnglishHELP to help someone succeed in their job 助某人一臂之力

Examples from the Corpus

leg-up• Joining the Visa network would give it the leg-up it needs.

ˈleg-up nounChineseSyllable  

help get to a someone Corpus to to up

leg-up
ˈleg-up noun
give somebody a leg-up informal
  a. to help someone to get up to a high place by joining your hands together so they can use them as a step
  b. British English to help someone succeed in their job

leg-upBrE /ˈleɡ ʌp/ 🔊NAmE /ˈleɡ ʌp/ 🔊 noun●give sb a ˈleg-up(BrE, informal) to help sb to get on a horse, over a wall, etc. by allowing them to put their foot in your hands and lifting them up 用双手托脚帮助（某人上马、翻墙等）to help sb to improve their situation 帮助，援助（改善处境）