2 sentences for 预备 (yù​bèi — prepare)

1. 裁判员喊道：“各就各位，预备，跑！”

   cái​pàn​yuán hǎn​dào:“ gè​jiù​gè​wèi, yù​bèi, pǎo!”

   The referee shouted, 'On your marks, get set, go!'

   Source: Dong Chinese Dictionary

2. 大家请预备好，比赛马上就要开始了。

   dà​jiā qǐng yù​bèi hǎo, bǐ​sài mǎ​shàng jiù yào kāi​shǐ le.

   Everyone please get ready, the competition is about to start.

   Source: Dong Chinese Dictionary