He was working in the middle of the night.

Yesterday, a lecture in the presence of the emperor was held.

He prepared all night to lecture to the Emperor.

In the old days, small countries used to pay tribute to large countries.

They paid tribute to the king every year.

He tried to improve the soil by deep plowing.

He was tilling the field all day long.

He has a deep and benevolent affection.

His profound benevolence greatly impressed the people around him.

Her piety left a deep impression on all of us.