如果你想和某人跳舞，你将有可能踩到对方的脚。
If you're going to dance with someone, you're going to step on each other's feet once in a while.
攀岩伙伴可以互相提醒对方的脚是否在岩壁上磨蹭。
Climbing partners can alert each other to feet dragging on the wall.
最终有气球剩下的小组胜利游戏规则：①只准踩气球，不得故意踩对方的脚。
And the group is the winner. Rule:1. Step on the balloons but not others' feet. 2.
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