How can you teach a child who just grins stupidly at you all day?
如果一個孩子整天都沖著你傻笑,你怎麼能教他呢?
I can't help grinning at the funny things the child says.
聽到孩子說的那些滑稽事,我忍不住笑了。
Her smile broadened to a mischievous grin.
He had a nice, frank grin, friendly, not cheeky.
Here grins the wolf as when he died.
牛津高階第八版
美國韋氏詞典
Dictionary.com
Free Dictionary
維基百科 (自由的百科全書)