滞后zhìhòuTop 20000Meanings1. to lag behindCharacters used滞sluggish后afterExamples1我wǒ有yǒu一yī星期xīngqī没méi用yòngAnki了le，现在xiànzài我wǒ有yǒu五wǔ百bǎi张zhāng卡片kǎpiàn滞后zhìhòu。I haven't used Anki for a week, and now I'm behind by 500 cards.