1 sentence for 悠悠 (yōu​yōu — preposterous)

1. 这完全是悠悠之谈，不足为信。

   zhè wán​quán shì yōu​yōu zhī tán, bù​zú wéi xìn.

   This is completely baseless talk and is not to be believed.

   Source: Dong Chinese Dictionary