饮水知源 yǐnshuǐzhīyuán to be grateful for one's roots Origin Definitions Defs Strokes Stroke Words Sentences Sents 饮 飲 yǐn nounverb to drink to drink; specifically to drink alcohol.水 shuǐ noun water water; a liquid, juice, or lotion知 zhī verb to know to know; to be aware of; to realize or sense源 yuán noun source (bound form) source of a river; fountainhead; starting point of a stream