咧嘴而笑 meaning in English

a broad grin/smile
grin

Can you sing with 7 ) all the voices of the mountains
可曾询问，山猫为何咧嘴而笑？
She laughs at everything you say . why ? because she has fine teeth
你说什么她都咧嘴而笑.为什么?因为她有一口美齿
But if it looks like a crocodile and grins like a crocodile , it is probably best to treat it as a crocodile , just in case
但是，如果它看起来像一条鳄鱼，并且像鳄鱼一样咧嘴而笑，那么或许最好还是把它当作鳄鱼对待，以防万一。
She can spot me a block off and come dashing until she hugs me around the waist lifts her face , her eyes sparkle , her goes in a wide grin and we have our moment of celebration
有神，心里也满有爱，她能够从老远就看到我，然后一股脑儿跑过来，抱著我，仰起脸，双眼闪烁，咧嘴而笑。