grinningly

adv.露齿,露齿而笑,露齿而笑以示

以笑容的方式，面带笑容地

副词

1、He looked at her grinningly, showing off his new toothpaste commercial smile.

他面带笑容地看着她，炫耀着他新的牙膏广告笑容。

2、She walked into the room grinningly, knowing that she had aced the exam.

她面带笑容地走进房间，知道自己在考试中取得了优异的成绩。