Negligently; rashly; without seeing what one does.
by hand
Manually; without the use of automation or machines.
hand someone their head
To destroy; to defeat utterly.
off the top of one's head
In an extemporaneous manner; without careful thought, preparation, or …
run around like a chicken with its head cut off
To act in a haphazard or aimless way; to act frantically or without co…
take on faith
To accept something without seeing evidence supporting it, by trust or…
give someone their head
To allow (someone) to act without constraint: to give (someone) free r…