1 different

2 distinct

3 not the same

4 not alike

1 (used in given names)

2 variant: 同 tóng

1 common

2 joint

3 jointly

4 together

5 collaborative

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 each word is a teardrop (idiom)

1 to not mention a single word (about sth) (idiom)

1 one word worth a thousand in gold (idiom)

2 (in praise of a piece of writing or calligraphy) each character is perfect

3 each word is highly valued

1 dispensing praise or blame with a single word (idiom)

2 concise and powerful style

1 to shed tears of sympathy (idiom)