veiled       
adjective uk/veɪld/ us/veɪld/
 不明言的;含蓄的;掩饰的
Veiled words or ways of behaving are not direct or expressed clearly.
  a veiled reference/threat/warning 含蓄的指称/威胁/警告 
 a thinly veiled attack on his abilities as a leader 对他的领导能力几乎不加掩饰的攻击