除非

• We won't deliver unless you pay us in advance !
  除非你们先付款，否则我们不发货！
• Unless a miracle , he 'll not be back in time ...
  除非发生奇迹，他不会及时赶回来。
• Unless i hear to the contrary .
  除非我听说不是那样。
• Only if he turns over a new leaf .
  除非他重新做人。
• Unless all signs fail, she is going to be elected .
  她会当选的，除非一切迹象都搞错了。
• Short of a miracle , we are certain to lose now .
  除非出现奇迹，不然我们现在是输定了。
• She is the best in the world until she is sick .
  她是世界上最健康的妻子，除非她生了病。
• Have a cup of tea unless you would prefer a cold drink .
  喝一杯茶吧除非你想喝冷饮。
• They face certain death unless they can be rescued today .
  他们除非今天获救，否则必死无疑。
• The filth here deters all but the invited guest .
  这里污秽不堪，除非有事，外人是裹足不前的。