expression, i-adjective
hard to deal with; troublesome; difficult to handle
Describes a person, situation, or thing that is troublesome, unmanageable, or stubbornly difficult. Often used for people who are hard to control or problems that are hard to resolve.
あの新人は始末が悪くて、何度注意しても同じミスを繰り返す。
That new employee is hard to deal with; no matter how many times I warn him, he keeps making the same mistakes.
このソフトのバグは始末が悪く、修正に時間がかかりそうだ。
This software bug is troublesome and looks like it will take time to fix.