十年九不遇的英文

not occur once in ten years; be seldom seen; be very rare; hard to meet in many years 短语和例子
这样大的洪水真是十年九不遇。 a flood of this sort is really unprecedented

• 这样大的洪水真是十年九不遇:    a flood of this so ...
• 十年九旱:    have drought nine ...
• 十年九荒:    crops fail nine ye ...

例句与用法

1. A flood of this sort is really unprecedented .
   这样大的洪水真是十年九不遇。