开口笑 meaning in Chinese

defried dough cake

Who usually tries to make you smile
问：通常是谁让你开口笑？
The loser has to fall it s simple and it s plain why should i complain
（我想要看你笑就像从前那样开口笑）
But his strong , dazzlingly white teeth showed in two unbroken semicircles whenever he laughed , as he often did , and all were good and sound : there was not a grey hair in his beard or on his head , and his whole frame had a look of suppleness and of unusual hardiness and endurance
他自己不知为什么不能断定他年多大，但他的牙，又白又坚固，他开口笑时，露出两排完整无缺的半圆形的牙他常笑胡子和头发没有一根白的，同时，整个身躯显得灵活，分外结实而富有耐力。