a provisional coalition government一个临时的联合政府

The times were provisional and subject to confirmation.这些时间是暂定的, 还有待确定。

If you have never held a driving licence before, you should apply for a provisional licence.如果你从未有过驾照, 那就应该申请一个临时的。

I'd like to make a provisional booking.我想临时预约。