discontinue终止,中断,中止

The bus service was discontinued because nobody used it.

suspend暂停, 终止

Both sides in the conflict have agreed temporarily to suspend hostilities.

halt不及物动词 vi.停下来

The soldiers halted and rested from their march.

士兵们停止前进, 休息一下。

cease是停止的意思，discontinue是不继续的意思。