He was carefully observing the surroundings.

He always changes the topic to avoid the problem.

He always changes the topic to avoid the problem.

He is known throughout the town as a scoundrel.

He acted scoundrelly and was criticized by those around him.

He was avoided by those around him because of his scoundrelly behavior.

He is known throughout the town as a scoundrel.

He started to act immediately.

I couldn't understand his actions.

He is my best friend.