difficult / hard, probably impossible

untie; unravel; undo (a fastening); unwrap / dispel (doubts); clear up (a matter)

solve (a problem); answer (a question); unravel (a riddle) / comb; untangle (hair)

divide / sort out, separate / classify / share, let someone have / sell

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

to distinguish; to discriminate

discrimination

(art) drawing (being able to draw) characters distinctly

imperfective and stem (or continuative) forms of 描き分ける (kakiwakeru) [ichidan]

Alternative form of 夕立は馬の背を分ける