Gōng / rén / xiān / jiǎn / chá / le / mǎ / de / wǎn / jù / què / rèn / suǒ / yǒu / pí / dài / dōu / gù / dìng / hǎo / le

工人先检查了马的挽具，确认所有皮带都固定好了。

The worker first checked the horse's harness and made sure all the straps were secured.