glint

The morning sunlight caused a sharp glint on the surface of the quiet lake.

(Chinese) 清晨的阳光在宁静的湖面上引起一阵耀眼的闪烁。

There was a mischievous glint in her eyes as she prepared to tell the joke.

(Chinese) 当她准备讲那个笑话时，她的眼睛里闪烁着调皮的光芒。