adverb / conjunction HSK 4
Traditional 同時
tóng shí
at the same time · simultaneously · meanwhile

Meaning

同时 means 'at the same time' or 'simultaneously' and is used to indicate that two or more actions or states occur concurrently. It can function as an adverb modifying a verb phrase, or as a conjunction linking two clauses to show they happen together.

Usage

Native speakers use 同时 in both spoken and written contexts to coordinate simultaneous events or to add information. In formal writing, it often appears at the beginning of a sentence meaning 'at the same time' or 'meanwhile.' It's commonly paired with 也 (yě) for emphasis: 同时也...

Examples

  1. 01
    同时学习中文和日文。
    tóng shí xué Zhōng wén wén.
    She is studying Chinese and Japanese at the same time.
  2. 02
    这个软件可以同时打开多个文件。
    Zhè ge ruǎn jiàn tóng shí kāi duō ge wén jiàn.
    This software can open multiple files simultaneously.

Characters

Common collocations

  • 同时进行
    tóng shí jìn xíng
    to proceed simultaneously
  • 同时
    tóng shí
    at the same time also
  • 在...的同时
    zài ... de tóng shí
    while..., at the same time as...

Antonyms

Origin

Literally means 'same time,' a transparent compound where 同 (same/together) combines with 时 (time) to express simultaneity.

Related