不需作任何修修改。我们一定是买对了 叽纭

it doesn't need any alterations. we must've bought the right size  detail>>

但它也有点小小了。我们一定买错了 叽纭

but it's kind of small also. we must've bought the wrong size  detail>>

不作任何修订或附加条件

without modification or conditions  detail>>

一定是我们错了

we must be mistaken  detail>>

我们一定会胜利

we shall overcome  detail>>

一定是

it must be - it must have been must go  detail>>

我们一定会打败他们

we are sure to defeat them  detail>>

我们一定会继续坚持下去

we'll carry on  detail>>

我们一定去买你的书

we'll be looking for your book  detail>>

那一定是爱

it must have been love  detail>>

一定是魔力

could it be magic  detail>>

一定是你

it must be you it's gotta be you  detail>>

这一定是爱

it must be love it must have been love  detail>>

对……作任何阻挠

offers to . . . any hindrance  detail>>

未作任何处理

no process in any manner  detail>>

从今以后，我们一定要更加努力学习。

we must study even harder from now on  detail>>

到了某个时候,我们一定请注意

there comes a time when we heed a certain call  detail>>

他若能来我们一定热烈欢迎

if he could come we would give him a warm welcome  detail>>