He grins, delighted at the memory.想到往事，他开心地咧嘴笑了起来。The grins of his friends discomposed Jack when he tried to make his speech.杰克想要进行演讲时，他的朋友们咧着嘴笑，这使得他心里很慌乱。How can you teach a child who just grins stupidly at you all day?...
The students were all waiting expectantly with grins on their faces.学生都含笑期待着.He grins, delighted at the memory.想到往事，他开心地咧嘴笑了起来。The very few who knew exchanged celestial grins.了解内幕的很少几个人只好招以会心的微笑....