Zhè / cì / xuǎn / bá / jìng / zhēng / jī / liè / cān / sài / zhě / ní / shā / jù / xià / shuǐ / píng / chā / bié / hěn / dà

这次选拔竞争激烈，参赛者泥沙俱下，水平差别很大。

The competition was intense, with participants of widely varying ability.