He was using the office in a most sinister way.
What offends him much more are people who portray beer in a sinister way.
It was getting to be comical, in its own sinister way.
Rather handsome in a sinister way, of course, but hostile.
Some might say it's a sinister way to spend your time.
The idea * s seductive in a sinister way.
But it was not written in a sinister way.
"It works in sinister ways that even professionals don't understand."
He does indeed laugh a lot, though not, as his friends take pains to point out, in a sinister way.
I don't think that you had a bunch of people sitting around a room, planning and plotting in a sinister way.