yǐn shuǐ jī
water dispenser
water cooler
drinking fountain
yǐn shuǐ sī yuán
lit. when you drink water, think of its source (idiom); gratitude for blessings and their well-spring
Don't forget where your happiness come from.
Be grateful for all your blessings!
qiān mǎ dào hé yì , qiáng mǎ yǐn shuǐ nán
You can lead a horse to water, but you can't make him drink. (idiom)
rú rén yǐn shuǐ , lěng nuǎn zì zhī
the person who drinks it knows best whether the water is hot or cold (Zen proverb); self-awareness comes from within
to know best by personal experience