tung4同

Jyutpingtung4

Yaletùhng

形容詞Very common

Definition

Same; identical; common.

colloquialdescriptionsother

How it's used

Functions primarily as an adjective to denote sameness, but it is frequently used as a preposition meaning with or and. When used as an adjective, it often requires the prefix 同一 to emphasize that two things are exactly the same entity or point in time. It is highly versatile and appears in many common compound nouns where it signifies shared status or origin.

Examples

ngo5我dei6哋duk6讀gan2緊tung4同jat1一gaan1間hok6學haau6校。

We are studying at the same school.

nei5你tung4同keoi5佢hai6係mai6咪tung4同jat1一jat6日saang1生jat6日aa4呀？

Are you and them having the same birthday?

Common phrases

tung4同hok6學

classmate

tung4同si6事

colleague

tung4同lou6路jan4人

fellow traveler

Common mistake

Learners often confuse the adjective usage with the prepositional usage. While 同 can mean same, it is most commonly heard in casual speech as a connector meaning with, so ensure the context clearly indicates identity rather than accompaniment.