练习空手道时，教练要求我们在出拳的同时大声喊叫（通过气合）来集中力量。

During karate practice, the instructor told us to shout loudly while punching to focus our energy by ___kiaiing.

练习空手道时，正确的气合能增强你的打击力量。

Proper ___kiai during karate practice helps strengthen your strikes.