为止 (wéi zhǐ) — (used after 到/直到 to mark a temporal cutoff) up until, as of, by

Definition

Examples

• 到今天为止，我已经学了三千个汉字。
  Dào jīn tiān wéi zhǐ, wǒ yǐ jīng xué le sān qiān gè hàn zì.
  As of today, I've learned three thousand Chinese characters.
• 直到下周五为止，你必须交报告。
  Zhí dào xià zhōu wǔ wéi zhǐ, nǐ bì xū jiāo bào gào.
  You must submit the report by next Friday.
• 到会议结束为止，没有人提出问题。
  Dào huì yì jié shù wéi zhǐ, méi yǒu rén tí chū wèn tí.
  No one raised any questions until the meeting ended.