He takes a practice swing and in so doing moves loose impediments and touches the ground in the hazard.

他练习了一杆，散置障碍物因此移动，接触了障碍区的地面。

youdao

The practice swing and the bending of the shrub are different acts that resulted in the breach of two Rules and both penalties are applied giving a total penalty of four strokes.

练习挥杆和折弯灌木是两个不同的动作，结果也是违反了两个不同的规则，两个处罚都适用，共被罚四杆。

youdao

Expertise in tennis requires lots of practice; it's hard to improve your swing without spending a lot of time on the court.

成为网球高手需要大量的练习；不在球场上花大量时间练习就很难改进挥拍的技术动作。

youdao

He stands over it, takes a quick practice swing, and drains the putt.

FORBES: The Sadness (And Salvation) Of New England Patriots Owner Robert Kraft

He's just at Camp Victory for a couple of days - a rare chance for him to practice his swing.

NPR: U.S. Troops in Baghdad Make Fishing a Tradition

He tells his golfers to practice their swing technique all they want on the driving range, but on the course, let instinct take over.

FORBES: Magazine Article