1 different

2 distinct

3 not the same

4 not alike

1 (used in given names)

2 variant: 同 tóng

1 colleague

2 co-worker

3 classifier: 个 gè

4 classifier: 位 wèi

1 to study at the same school

2 fellow student

3 classmate

4 classifier: 位 wèi

5 classifier: 个 gè

1 at the same time

2 simultaneously

1 to shed tears of sympathy (idiom)

1 to treat everyone equally favorably (idiom); not to discriminate between people

1 three horses at the same trough (idiom, alluding to Sima Yi 司馬懿|司马懿[Sī mǎ Yì] and his two sons); conspirators under the same roof

1 lit. mustn't speak of two things on the same day (idiom); not to be mentioned in the same breath

2 incomparable

1 lit. not a common chord (idiom); outstanding

2 brilliant

3 out of the common run