Word: 矣 (yǐ) 矣 dictionary entry yǐ classical final particle, similar to modern 了[le5] Full dictionary entry for 矣 Example sentences using 矣 2 sentences, showing page 1 of 1. 事到如今，后悔晚矣！ Shìdàorújīn, hòuhuǐ wǎn yǐ! Things have come to this, and it's too late for regrets! 天已晚矣，我们回家吧。 Tiān yǐ wǎn yǐ, wǒmen huíjiā ba. It's already late, so let's go home.