You can't just assume he's a brother because he's all mysterious and smooth.
It'll get us where we want to go, but I can't promise a smooth ride.
Antonyms
Several agreements were subsequently reached to smooth the course of the budgetary procedure.
A compromise package could smooth the path of the vote on Tuesday.
The separation membrane for an electrochemical device can optimise smooth movement of lithium ions.
The device provides a steady and smooth flow in the channel.
