How can you teach a child who just grins stupidly at you all day?
如果一个孩子整天都冲着你傻笑,你怎么能教他呢?
I can't help grinning at the funny things the child says.
听到孩子说的那些滑稽事,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.
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)