1、嘴咧得大大地笑
... grin 咧嘴而笑 grin from ear to ear 嘴咧得大大地笑 chuckle轻声笑; ...
2、笑容满面
... grin 咧嘴而笑 grin from ear to ear 笑容满面 chuckle 轻声笑；咯咯笑 ...
3、咧着嘴笑
... talk one's ear off 喋喋不休， grin from ear to ear 咧着嘴笑， play it by ear 随机应变 ...
4、咧嘴大笑
...look back on 让人回顾，让人回忆grin from ear to ear 咧嘴大笑hilarious 好玩的;搞笑的 ...