cojones          
noun [ plural ] mainly US informal often offensive uk/kəˈhəʊ.neɪs/ /kəˈhəʊ.neɪz/ us/kəˈhoʊ.neɪs/ /kəˈhoʊ.neɪz/
 睾丸的别称
a word for  testicle s
  Someone kicked him in the cojones. 有人一脚踢中了他的裆部。 
  胆气
courage and confidence
  Did anyone have the cojones to admit to it? 谁有胆气承认这一点? 
 You have to admire their cojones. 你不得不佩服他们的胆气。