# 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。

01only if

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

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

Education works only if the recipients really want it.

Only if one believes in something can one act purposefully.

02

If only he would listen to me.

If only I knew her name.

If only I had known you then.

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