only if和if only用法区别

only if和if only同样两个单词换一下位置,表达完全不同的意思。

only if和if only用法区别

01only if

我们都知道if最常用来表示条件;

当在其前加上only,用来强调,或表示“唯一条件”:

I’ll tell you, but only if you don’t tell anyone else.

我会告诉你,但前提是你不告诉别人。

Only if somebody can come up with a way to turn back the clock.

除非有人能想出办法让时光倒流。

Education works only if the recipients really want it.

教育只有在受教育者真正想要的时候才有效。

Only if one believes in something can one act purposefully.

只有当一个人相信某事时,他才会果断行动。

注意:only if从句在句首,主句用倒装句结构。

only if和if only用法区别

02

表达希望或愿望,相当于I wish:

If only he would listen to me.

他要是听我的话就好了。

If only I knew her name.

我要是知道她的名字就好了。

If only I had known you then.

要是我那时候认识你就好了。

If only I’d had one of them, it seems I could have had success, fulfilled my dreams.

如果我有其中的一个,我似乎可能已经成功实现我的梦想。

only if和if only用法区别

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