畳たたみの上うえの水すい練れん
Meanings
Noun
Humorous
Idiomatic
1. useless book learning; knowing the theory but being unable to put it into practice; (lit.) practising swimming on a tatami mat
Kanji used
tatami mat
above
water
practice
Composed of
tatami mat; Japanese straw floor coverings
above; over; top; summit; surface; on (top of); the above (in a piece of writing)
swimming practice