puncture|punctured|punctures

小心别让针把气球扎破了。

Be careful not to ___puncture the balloon with the needle.

老师的严厉批评打击了他在比赛中的信心。

The teacher's harsh criticism ___punctured his confidence in the competition.

骑自行车时要小心路上的钉子，以免轮胎被扎破。

Be careful of nails on the road when cycling to avoid ___punctures in your tires.