行いき当あたりばったり

noun which may take the genitive case particle 'no'

haphazard; unplanned; random; hit-or-miss

Describes acting without a plan, leaving things to chance, or making decisions on the spot. Often used critically or self-deprecatingly.

• 彼かれの旅りょ行こうはいつも行いき当あたりばったりだ。

  His trips are always unplanned.

• 行いき当あたりばったりで仕し事ごとを探さがすのはやめたほうがいい。

  You'd better not look for a job in a haphazard way.