切题

to keep to the subject

to cut / to slice / tangent (math)

definitely / absolutely (not) / (scoffing or dismissive interjection) Yeah, right. / Tut! / to grind / close to / eager / to correspond to / see also 反切[fan3 qie4]

surname Ti

topic / problem for discussion / exam question / subject / to inscribe / to mention / CL:個|个[ge4],道[dao4]