死了张屠夫，不吃混毛猪

sǐ le zhāng tú fū , bù chī hùn máo zhūsilezhangtufu,buchihunmaozhu

1. lit. just because Zhang the butcher dies, doesn't mean we'll have to eat pork mixed with bristles (idiom)
2. fig. nobody is indispensable

Study it in Yanamino