一ㄧyī個ㄍㄜ˙ge巴ㄅㄚbā掌ㄓㄤˇzhǎng拍ㄆㄞpāi不ㄅㄨˋbù響ㄒㄧㄤˇxiǎng

（諺語）比喻僅有單方面是鬧不出事來，若是發生事情一定是雙方面均有過失。《紅樓夢·第五十八回》：「一個巴掌拍不響。老的也太不公些，小的也太可惡些。」

英lit. one palm alone cannot clap (proverb), fig. it takes two persons to start a dispute, it takes two to tango, it's difficult to achieve anything without support