=1

哦

é

to chant

=1

哦

ó

oh (interjection indicating doubt or surprise)

=1

哦

ò

oh (interjection indicating that one has just learned sth)

=1

哦

o

sentence-final particle that conveys informality, warmth, friendliness or intimacy may also indicate that one is stating a fact that the other person is not aware of

=2

真的

zhēnde

really; truly; indeed real; true; genuine (math.) proper

=2

真的

zhēndí

(literary) true; real true; real

=3

嗎

má

(coll.) what?

=3

嗎

mǎ

used in 吗啡 mǎfēi

=3

嗎

ma

(question particle for "yes-no" questions)