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- The firm will go under unless business improves. 生意若无起色，公司非垮不可。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- I won't go to the party unless I'm invited. 除非我被邀请，否则我不会去参加晚会的。
- He'll never pay up unless you get tough with him. 你对他态度强硬，他才会还清债务。
- unless conj. 如果不；
- Above term shall apply unless otherwise mention. 除非另有说明书，上述条件一概适用。
- The boat will sink unless we bail out. 我们要不把积水清除掉，船就要沉了。
- Unless (being) rich, I am not going to buy a house. 除非有钱，要不然我是不会买房子的。
- You'll fail in French unless you work harder. 你要是不再加把劲儿，法语就考不及格了。
- Talent is worthless unless you persevere in developing it. 除非你坚持不懈地发展天赋，否则它是没有价值的。
- Unless he stops driving himself like this he'll have a breakdown. 他要是总这样拚命干下去是吃不消的。
- Don't serve water at meals unless someone asks for it. 除非有人要，就餐时不要端水上去。
- I'll take you to court unless you pay up immediately. 除非马上还清欠款，否则我和你打官司。
- I hope I can drive the car like you do. (conj. 我希望开汽车开得象你一样好。
- She will burn himself out unless she gets more sleep. 要是她得不到更多的睡眠，她的身体就要垮了。
- I will go on with my work unless I get the order to the contrary. 我将继续工作直到我得到相反的命令。
- Don't pull the chicken switch, unless absolutely necessary. 除非绝对必要，请不要碰紧急弹射按钮。
- She hasn't got any hobbies unless you call watching TV a hobby. 她没有任何嗜好--除非把看电视也算作嗜好的话。
- It's no use trying to learn ballet unless you have a feeling for music. 除非你有音乐鉴赏力，否则别想学芭蕾舞。
- He's likely to land in hot water unless restrained by wiser counsel. 除非听人忠告有所收敛，他很有可能陷入麻烦。
