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?' he inquired in a shy and timid voice.
'There are so many things that we can to do be unfriendly, that's cutting their bow or escorting them.
to be unfriendly with Russia but only 18 percent thought Russia was an enemy.
"The sound is huge," says Paerl "It's 1,700 square miles, and it's shallow, so it can be unfriendly to small boats.