This is an action that does not follow precedent.

He was unable to keep the promise that was made in the past.

The answer became clear in my mind.

Omitting the beginning, how are you?

When he writes a letter, he always starts by omitting the beginning.

He turned on the headlights and drove down the night road.

The headlight of my bicycle has broken.

He served as the opening act for the concert.

I can't stand his self-righteous attitude.

In Buddhism, it is considered important to perform the ten good acts.