不在家

The door's locked, so plainly they must be out.

这门锁着，明摆着们家。

Supposing he is not at home, what then?

假如家,那怎么办?

Ask if he is at home.

问一问家。

Not normally home cooked but bought at a fish and chip shop ("chippie" in north of England) to eat on premises or as a "take away" or as US would say "to go".

通常家，但熟食买一条鱼芯片店（ “薯条”英格兰北部的）吃的所“拿走”美国会说“去” 。