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.
(..) - We gonna feel a kick with this sedation? YUSUF: That's the clever part. I customised the sedative to leave inner-ear function unimpaired. That way, however deep the sleep, the sleeper still feels falling. Or tipping. The trick is to synchronise a kick that can penetrate all three levels. (..)2010 Inception