yǔ ㄩˇ Give. / Follow, go along with. / Comrade, ally. / Association, contact. / Oppose. / Engage [an enemy]. / Approve, consent to. / Help. / Wait. / Preposition indicating passive tense. / Preposition: to, with. / Preposition: with. / Preposition: as. / Preposition: in, on. / Connective: and, with. / Connective: with its ... / Connective: or.
yù ㄩˋ Participate, take part in.
yú ㄩˊ Auxiliary word: used at the end of a sentence to express questioning , exclamation, or a rhetorical question. / Auxiliary word: used in the middle of a sentence to express a pause.