lù shuǐ
dew
fig. short-lasting
ephemeral
huā lù shuǐ
perfumed toilet water
eau de cologne
floral water
hydrosol
bù xiǎn shān bù lù shuǐ
lit. to not show the mountain and to not reveal the water (idiom); fig. to hide the key facts
yī yè lù shui
one-night stand
ephemeral
lù shuǐ fū qī
a couple in a short-lived, improper relationship
lù shuǐ yīn yuán
casual romance
short-lived relationship
xiǎn shān lù shuǐ
to reveal one's talent (idiom)