心こころに思おもう

expression, godan verb (-u)

think deep down; tell oneself; secretly believe

Used when one holds a private thought or conviction, often one not openly expressed. The feeling is internal and may be accompanied by a sense of quiet resolve or hidden belief.

• 彼かれは心こころに思おもうことがあっても、なかなか口くちに出ださない。

  Even when he has something on his mind, he rarely says it out loud.

• 私わたしは心こころに思おもう、いつか必かならず成せい功こうすると。

  I tell myself that I will definitely succeed someday.