unbeknown

基本解释

• adj.未知的；不为人知的

同根派生

英汉例句

用作形容词 (adj.)

• He went there unbeknown to me.
  他瞒着我到那里去的。
• Unbeknown to his parents, he had not been to school for a week.
  他瞒著父母一个星期没去学校了。
• His past is ancient and unbeknown just like his true power.
  他的过去古老而不为人知，就如同他的真实力量一般。