そういう意味じゃないです。
そういうわけではない
Such is not the case
It is no such thing―nothing of the kind.
That's pointless.
This is gibberish.
そう思わない
It is nothing of the kind.
そんなことはないです
It is not a very serious matter.
nothing of the sort
I have no particular aim.
That can not be.
Such a thing is of no account.
Such a thing seldom happens―rarely happens―hardly ever happens.
そんなことないです