difficult / hard, probably impossible

right and wrong; correct and incorrect

A judgement, a determination, a discernment.

To judge, to decide, to determine. / To tell which, to tell what.

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

fortunetelling based on one's name

ability to judge; judgement

(informal) no problem

unthinkable, out of the question

practical question (problem)