愆ㄑㄧㄢ期ㄑㄧˊqiānqí

qiānqīㄑㄧㄢ　ㄑㄧ

  1. 〈書〉過期；延誤期限。例 「匪我愆期，子無良媒（《詩經‧衛風‧氓》）​」。

英(formal)​ to delay, to miss a deadline, to fail to do sth at the appointed time