1.如果她不邀请我,我就不去参加她的生日聚会.Unless she invites me,I won't go to her birthday party.
2.你可以借这本书,条件是你不得借给其他任何人.You can / may borrow this book on condition that you will not lend it to anyone else.
3.只要你幸福,我就开心.I will be pleased as long as you are happy.
4.尽管这是一个短暂的假期,但我们都玩得很高兴.Though it was a very short holiday,we had a very good time.
5.虽然她不高兴,但也没说什么.Although she was not happy,she said nothing.
6.无论这个问题有多难,我们都必须尽快解决它.However difficult the problem is ,we must solve it as soon as possible.
7.如果我忘了,请你提醒我一下.Please remind me in case I forget .
8.如果明天不下雨,我们就骑自行车去那里.We will go there by bike if it doesn't rain tomorrow.
9.尽管这件衬衫不怎么好看,因为便宜,我还是买了.Even though this shirt doesn't look good I will take it ,for it is cheap.
10.无论发生什么事,我绝不会不管她.Whatever happens,I won't leave her alone.