If an action is for the best, it is done to improve a situation or produce a good result, although it might seem unpleasant at the time.

Ending a relationship is always hard but in this case it's for the best. 结束一段感情总是很难的，但这样做终究会对你有好处的。

She is finding it hard to persuade teachers that these changes in classroom practice are for the best.

The last thing I wanted was for my parents to go into a nursing home, but in the end even I could see it was for the best.

The cast didn't attempt a Spanish accent, which was definitely for the best.

Most people thought it was for the best that the senator stood down.

See also: best noun