わからん

expression

I don't know; I don't understand

Colloquial contraction of わからない, used in casual speech. Often expresses a lack of knowledge or inability to comprehend.

See also: わかる

• 明日あしたの天てん気きはまだわからん。

  I still don't know tomorrow's weather.

• この問もん題だいは難むずかしくてわからん。

  This problem is so difficult I don't understand it.