助跑的英文：
run up
- John took a running jump at the fence and vaulted over(it.
约翰加上助跑，用手一撑，飞身跃过篱笆。
n. 奔跑，跑步；旅行；趋势
v. 跑步，奔跑；逃跑；参赛；行驶；运转；（使）流动；管理
- run the rapids.
冲过急流 - Run (or Hold) with the hare and hunt (or run) with the hounds
两面讨好 - Hold (or Run) with the hare and run (or hunt) with the hounds
两面讨好 - He runs as quick as a deer.
他跑得跟鹿一样快。 - He runs as fast as Paul.
他跑得和保罗一样快。