I'd like to go; 'however', I'd better not. [=I'd like to go, but I should not]
The forecast is bad. It's possible, 'however', that conditions could improve.
She couldn't convince him, 'however' hard [=no matter how hard] she tried.
(..) Even the police, the men and women sworn to keep us safe, they can be bribed. They can be bought. Machines, however, are corruption free. Americans could be living in a country where law enforcement is not only efficient, but incorruptible. (..)2014 RoboCop