鹬 ㄩ ˋ yù 蚌 ㄅㄤ ˋ bàng 相 ㄒㄧㄤ xiāng 争 ㄓㄥ zhēng 鷸 ㄩ ˋ yù 蚌 ㄅㄤ ˋ bàng 相 ㄒㄧㄤ xiāng 爭 ㄓㄥ zhēng lit. sandpiper and clam war together (and the fisherman catches both) (idiom); fig. neighbors who can't agree lose out to a third party