noun, noun or participle which takes 'suru', transitive verb
fumbling; groping
Literally feeling around with one's hands, or figuratively doing something by trial and error without clear guidance.
暗闇の中で手探りでスイッチを探した。
I groped in the dark for the switch.
新しい仕事はまだ手探
I'm still fumbling my way through the new job.