題 - topic, subject

the problem (at issue); the point at issue; problematic issue; problem

difficult problem; challenge

title; subject; theme; topic

environmental problem; environmental issue

tentative title

(doing) as one pleases; to one's heart's content; letting (something) go unchecked; leaving uncontrolled; leaving (something) to take its own course

no problem; all right; not an issue; unobjectionable

homework; assignment

to be titled (e.g. a book); to be named

social problem

topic of discussion; agenda

different thing; another question; different case