He couldn't help but grin when he saw the surprise.
当他看到惊喜时，他忍不住咧嘴笑。
She gave a wide grin after winning the competition.
比赛获胜后，她露出了一个大大的笑容。
The little boy's grin was infectious to everyone around.
小男孩的笑容感染了周围的每一个人。
With a mischievous grin, he revealed his secret plan.
他露出一个顽皮的笑容，透露了他的秘密计划。
Her grin brightened up the entire room instantly.
她的笑容立刻点亮了整个房间。
He flashed a quick grin before leaving the room.
离开房间前，他迅速露出了一个笑容。
The cat's grin seemed almost human-like in its expression.
猫的笑容看起来几乎像人的表情。
Her unexpected grin made everyone feel at ease.
她意想不到的笑容让每个人都感到轻松。
He wore a silly grin after hearing the good news.
听到好消息后，他露出了一个傻傻的笑容。
The photograph captured his grin perfectly in that moment.
照片完美地捕捉到了他那一刻的笑容。
grin from ear to ear 笑得合不拢嘴
grin like a Cheshire cat 像柴郡猫一样咧嘴笑
grin and win 笑着赢
grin and share it 分享喜悦
grin and giggle 咧嘴笑和咯咯笑
grin and nod 微笑点头
复数: grins;
第三人称单数: grins;
过去式: grinned;
过去分词: grinned;
现在分词: grinning;
