台Taivo A Taiwan Mandarin dictionary

當且僅當

dāngqiějǐndāng

ㄉㄤ ㄑㄧㄝˇ ㄐㄧㄣˇ ㄉㄤ

Simplified 当且仅当

Taivo → Settings → Partner inbox → Make the link. It stays in this browser.

  1. 1if and only if
Example

當且僅當你知道我們的密碼你才可以進來。

dāngqiějǐndāng nǐ zhīdào wǒmen de mìmǎ nǐ cái kěyǐ jìnlái

You can come in if and only if you know our password.

Keep 當且僅當 and it comes back until you know it.

Get Taivo for iPhone →