How to say regret in English?

1, the English word for regret is regret.

2. The English pronunciation is [r _ ɡ ret]; The American pronunciation is [r _ ret].]

3. Regret basically means "regret, regret", which means feeling sad or sorry about what happened or didn't want to happen but had to happen, but there is no room for recovery. Extension can also mean "I'm sorry" Being a verb means regretting; Regret; sympathize with ...

My only regret is that I missed the opportunity to study abroad.