ph.

1. 去世；逝世；谢世
You can say that someone passed away to mean that they died, if you want to avoid using the word 'die' because you think it might upset or offend people.

1. go out of existence

e.g. She hoped that the problem would eventually pass away

2. pass from physical life and lose all bodily attributes and functions necessary to sustain life

e.g. She died from cancer
The children perished in the fire
The patient went peacefully
The old guy kicked the bucket at the age of 102

Synonym: diedeceaseperishgoexitexpirepasskick the bucketcash in one's chipsbuy the farmconkgive-up the ghostdrop deadpop offchokecroaksnuff it