- 我不可能及时赶到会场，除非我赶上了较找的一班火车。
I couldn't have got to the meeting on time -- unless I had caught an earlier train.
- 除非你努力下功夫，否则你将永远打不好网球。
You will never become good at tennis, unless you work at it earnestly.
- 除非有钱，要不然我是不会买房子的。
Unless (being) rich, I am not going to buy a house.
- 除非资方做出进一步的建议，否则将举行罢工。
Unless the management improves their offer, there'll be a strike.
- 除非你改变你的想法，否则我不能帮助你。
Unless you change your mind (=If you don't change you mind), I won't be able to help you.
- 医生吩咐我们，除非必须，否则不要在夜里叫他。
The doctor asked us to call him during the night except in case of necessity.
- 除非我们能得到更多的资金，我们将不得不关闭这家商店。
Unless we can get more finance, we'll have to close the store.
- 除非我被邀请，否则我不会去参加晚会的。
I won't go to the party unless I'm invited.
