珠流璧转

珠流璧轉
zhūliúbìzhuǎn
  1. lit. pearl flows, jade moves on (idiom); fig. the passage of time
  2. water under the bridge

CEDICT

Entry Composition

1 珠流 zhūliú
  1. fluent with words
  2. words flowing like pearl beads
2 璧 bì jade annulus
3 转 zhuǎn
  1. to turn
  2. to change direction
  3. to transfer
  4. to forward (mail)
  5. (Internet) to share (sb else's content)