除非

除非

"Unless"

Here, '除非' introduces a condition for the proposition to follow, paired with '否则' indicating the alternative.

除非你努力学习，否则你不会通过考试。

Unless you study hard, you will not pass the exam.

In this sentence, '除非' is used to indicate an exception to the general statement.

我平时很少吃甜点，除非是有人生日。

I rarely eat desserts unless it's someone's birthday.

The usage of '除非' marks a specific condition that must be met for the future action to take place.

我们不出门，除非雨停了。

We won't go out unless the rain stops.