4 sentences

1. 幽灵在古堡中游荡。

   yōu líng zài gǔ​bǎo zhōng yóu​dàng.

   Ghosts haunt the old castle.

   Source: Dong Chinese Dictionary

2. 我四处游荡。

   wǒ sì​chù yóu​dàng.

   I wandered around.

   Source: OpenSubtitles

3. 由于无家可归，他整天在街头游荡。

   yóu​yú wú​jiā​kě​guī, tā zhěng​tiān zài jiē​tóu yóu​dàng.

   Being homeless, he wanders the streets all day long.

   Source: Dong Chinese Dictionary

4. 他整天不务正业，到处游荡。

   tā zhěng​tiān bù​wù​zhèng​yè, dào​chù yóu​dàng.

   He neglects his duties all day and wanders around aimlessly.

   Source: Dong Chinese Dictionary