Omelettes should be runny in the middle.

煎蛋卷包馅应该是软的。

《牛津词典》

I know how to make Spanish omelettes.

我会做西班牙式的摊鸡蛋。

youdao

Making omelettes isn't difficult, but there's a knack to it.

做煎蛋饼并不难，但有窍门。

youdao

Be content to remember that those who can make omelettes properly can do nothing else.

FORBES: Magazine Article

Landmark offers strictly down and dirty (metaphorically speaking) diner food, including a wide variety of omelettes, tuna salad sandwiches and grilled cheese with sliced tomatoes.

BBC: New York City��s classic diners survive

Nai Mong Hoi Thod (539 Thanon Plaeang Nahm) sells nothing but oyster omelettes, crisp from tapioca flour and long-frying on an ancient, seasoned wok in rendered pork fat.

BBC: Postcard from Bangkok