lightly

She tapped him lightly on the shoulder to get his attention in the quiet library.

(Chinese) 在安静的图书馆里，她轻轻拍了拍他的肩膀以引起他的注意。

The snow began to fall lightly on the rooftops during the cold winter night.

(Chinese) 在寒冷的冬夜，雪开始轻轻地落在屋顶上。

Choosing a university is a major decision that should not be taken lightly.

(Chinese) 选择大学是一个重大决定，不应该草率对待。

He spoke lightly of his injury to avoid worrying his parents.

(Chinese) 他轻描淡写地说了下自己的伤势，以免父母担心。