Zǎi Yǔ
Zai Yu (522-458 BC), disciple of Confucius
Zǎi Yǔ zhòu qǐn
Zai Yu sleeps by day (idiom); refers to story in Analects of Confucius remonstrating bitterly with his student for sleeping during lectures
zài yú
to be in
to lie in
to consist in
to depend on
to rest with
zài yù
to increase
to multiply
to proliferate