it's completely
That's completely unexpected.
It's absolutely staggering.
Si vous pensez me faire peur, c'est complètement idiot.
If you think you're going to scare me, that's completely stupid.
— Santa Claus Is a Stinker (1982)
It's completely useless.
Et c'est complètement hors-sujet.
And it’s completely beside the point.
C'est complètement hors sujet.
That's completely beside the point.