His memory has reached a supernatural level.

The lingering resonance of the music echoed in my heart and wouldn't fade away.

The lingering aftertaste of that music remained in my heart.

The lingering resonance of the music was still in the air.

The trailing notes of the bell echoed faintly, enveloping the silence.

He is my superior, and I respect him.

He said he had no subjective symptoms.

He went to the doctor complaining of objective symptoms.

He is infected with the coronavirus, but he is asymptomatic.

He superimposed colors on his painting.