Translation of "Grounds" in Chinese

On what grounds are you arresting me?

你憑什麼逮捕我？

Do you have any grounds for thinking so?

你這種想法有沒有根據？

Students are forbidden to smoke on the school grounds.

學生不得在校園範圍內吸煙。

There are sufficient grounds for believing he is honest.

有足够的理由相信他是诚实的。

A few months later they return to their breeding grounds in the Arctic.

數月後，牠們回到了北極的繁殖地。