unless
柯林斯词典
1. CONJ You use unless to introduce the only circumstances in which an event you are mentioning will not take place or in which a statement you are making is not true. 除非; 如果不
Unless you are trying to lose weight to please yourself, it's going to be tough to keep your motivation level high. 除非你在为了让自己开心而努力减肥，否则要保持驱动力很高将很难。
We cannot understand disease unless we understand the person who has the disease. 除非我们了解有某种疾病的人，否则我们不会了解疾病。
返回 unless
unless /ʌnˈlɛs/
剑桥词典
- except if
- A lot of shops won't accept cheques unless you have a banker's card with you.
- They threatened to kill him unless he did as they asked .
- Most wild animals won't attack unless they are provoked .
- I can't let you in unless you give the password .
- Students are not allowed to handle these chemicals unless they are under the supervision of a teacher . 返回 unless
除非；除了在…的情况下
You can't get a job unless you have experience (= you can only get a job if you have experience ). 除非有工作经验，否则你找不到工作。
Unless you call me to say you're not coming, I'll see you at the theatre (= I will see you there if you do not call to say you are not coming). 除非你打电话说你不来了，否则我就在剧院等你。
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