そうそうない

expression, i-adjective

rare; uncommon; not often seen

Used to describe something that seldom happens or is rarely encountered. Often appears in the pattern そうそうないこと or そうそうあることではない.

• こんな機き会かいはそうそうない。

  An opportunity like this doesn't come around often.

• 彼かれが遅ち刻こくするなんてそうそうないことだ。

  It's rare for him to be late.