be unfriendly

References in classic literature ?
Oh, don't say that,' cried little Hans, 'I wouldn't be unfriendly for the whole world'; and he ran in for his cap, and trudged off with the big sack on his shoulders.
Do you think it would be unfriendly of me if I said I was busy?
The sound is huge," says Paerl "It's 1,700 square miles, and it's shallow, so it can be unfriendly to small boats.