taking the trouble (to do something); doing something specially or expressly (often for someone's sake).
わざわざ来てくれてありがとう。
Thank you for coming all the way here.
彼はわざわざお土産を買ってきてくれた。
He went out of his way to buy a souvenir for me.
そんなことでわざわざ時間を使わないでください。
Please don't bother spending your time on something like that.
intentionally; deliberately; on purpose.
彼はわざわざ遅刻したのではないと思う。
I don't think he was deliberately late.
そんなことをわざわざ言う必要はないよ。
There's no need to say that on purpose.
彼女はわざわざ注意を引こうとしているようだ。
It seems she's deliberately trying to attract attention.