咧着嘴笑

He was grinning proudly, delighted with his achievements.

他为自己的成就感到喜悦, 自豪地咧着嘴笑。

The grins of his friends discomposed Jack when he tried to make his speech.

杰克想要进行演讲时，他的咧着嘴笑，这使得他心里很慌乱。

I like your graduation photo, with you grinning from ear to ear and your parents looking so proud.

喜欢你的毕业照，你咧着嘴笑得心，你爸妈看上去又骄傲。