“curl one's hair”所表达的含义是“ 令人惊恐，令人不敢恭维，令人毛骨悚然”。

【例句】
Accounts of cruel tortures in the jails of the reactionary government would curl one's hair.
关于反动政府监狱里酷刑情况的介绍听了会叫人毛骨悚然。

The mountain ahead is gloomy and curl my hair.
前面的山阴森森的，令我惊恐。