利りにさとい

expression, i-adjective

keenly aware of one's own interests; shrewd about personal gain

Describes someone who is quick to notice and act on opportunities for personal benefit, often with a slightly negative connotation of being calculating or self-serving.

• 彼かれは利りにさとい男おとこで、儲もうけ話ばなしにはすぐ飛とびつく。

  He's a man who is keenly aware of his own interests and jumps at any money-making opportunity.

• 利りにさとい人ひとは、損そん得とくをすぐ計けい算さんする。

  People who are shrewd about personal gain quickly calculate profit and loss.