口中的白开水手中的玻璃杯
[kŏu zhōng de bái kāi shuĭ shŏu zhōng de bō lí bēi]
'Kǒu Zhōng De Báikāishuǐ Shǒuzhōng De Bōlíbēi' (plain boiled water in the mouth and a glass cup in hand) conveys simplicity and plainness in one’s lifestyle, symbolizing modesty and a lack of excess.