同一

tóngyī

adjective HSK 6 #5,902

Meanings

1 identical; the same
2 same; unified

Characters

same; together; similar

one; single; same

Same and one — identical, the very same thing.

Examples

我们在同一家公司工作。

Wǒmen zài tóngyī jiā gōngsī gōngzuò.

We work at the same company.

这两个问题不在同一个层面上。

Zhè liǎng gè wèntí bù zài tóngyīgè céngmiàn shàng.

These two issues are not on the same level.

同一时间，同一地点。

Tóngyī shíjiān, tóngyī dìdiǎn.

Same time, same place.

Tips

usage

同一 always precedes a measure word + noun: 同一个人 (the same person), 同一天 (the same day). Don't confuse with 相同 (xiāngtóng, 'identical' as a predicate adjective).

Stroke Order

同 tóng

一 yī