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.
(..) to fall into the hands of John Daggett. The weapons. We can't let Daggett get his hands on Applied Sciences. No. Applied Sciences is all locked up and off the books. The energy project, however, is a different story. Miranda Tate. We need to convince the board to get behind her. (..)2012 The Dark Knight Rises