1. Hand you a piece of welfare biscuit after blood-donation, grinning. 去义务献血，回来笑嘻嘻掏出一块福利饼干给你吃。
2. When he smiles, he looks like a character from a manga comic or computer game, grinning with implacable and malign certainty. 他微笑起来象一个漫画书或者电脑游戏里的形像，笑容自信得难以取悦还带一丝邪气。
3. Strangely, the man from Madras was not grinning; he had turned his face away, as if he were ashamed at what Chenayya had said. 非常奇怪的是，那个来自马德拉斯的男人并没有笑出声，他别过了脸，好像对成内亚刚说的话感到非常惭愧。
英英解释
n.
1. a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or
