该吃午饭了，吃些鸡肉。

Time for lunch. Have some chicken.

接下来该吃午饭了。

Next is lunch time.

到那时该吃午饭了。

It should be lunch-time by then!

该回家了，孩子们。/ 该吃午饭了。

Time to go home, kids. / Time for lunch.

莉儿看了看钟，现在是上午11：40，马上就该吃午饭了。

The clock now read 11:45.