take (one's) time

To go at one's own preferred pace; to use as much time as one needs or desires. There are a lot of things we need to get right, so let's be sure to take our time on this. Could you please describe what happened that night? Take your time—we want it to be as accurate as possible. Oh, no rush at all. Take your time.

take your ˈtime (doing something/to do something/over something)

1 do something as slowly as you like; do not hurry: There’s no rush — take your time. OPPOSITE: get a move on
2 be late; do something too slowly: You certainly took your time to get here. I’ve been waiting an hour! ♢ The shop assistant took her time serving me.