温吞水
wēn​tun​shuǐ

lukewarm water

温吞水 溫吞水 wēn​tun​shuǐ
lukewarm water
lukewarm water; water that is neither hot nor cold
slowpoke
a person with a slow or indecisive personality; someone who lacks vigor and efficiency
stagnant
a situation or trend that is sluggish or lacks the expected level of intensity, such as a stagnant market or a dull game