不在家

Supposing he is not at home, what then?

假如他不在,那怎么办?

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

这门锁着，明摆着他们不在。

Ask if he is at home.

问一问他在不在。

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".

不在，但熟食买一条鱼芯片店（ “薯条”在英格兰北）处所或“拿走”或美国会说“去” 。