Kanji
Your sentence
先生
Words in this sentence
先生
teacher; instructor; master; sensei; title or form of address for a teacher, master, doctor, lawyer, etc.
Noun
これ
this; this one; this person; now; this point (in time); used to stress the subject of a sentence
Pronoun
何
what; you-know-what; that thing; whatsit; whachamacallit; what's-his-name; what's-her-name; (not) at all; (not) in the slightest; what?; …
Pronoun
聞く
to hear; to listen (e.g. to music); to ask; to enquire; to query; to hear about; to hear of; to learn of; to follow (advice, order, etc.); to obey; …
Godan verb