be through something—endure smth.; live through a particular experience:
- These were experienced fishermen. They had been through many storms on this sea before.
be through with something—
1. eventually accomplish smth.:
- When she was through with this aria, she asked the audience to be silent, and then she spoke.
2. (coll.) have had enough of smth.; be tired of smth.:
- I’m through with this job; I must find something more interesting.