いち いて じゅう
ichio kiite jūo shiru

Godan Verb (ru)
Idiomatic Expression

1. to understand everything from only one part; to be perceptive; to be quick to understand; to be quick on the uptake

いち いて じゅう る、とまではいかないまでも、もうちょっと物分 ものわかりがよくなってほしいよ。
ichio kiite jūo shiru tomadewa ikanaimademo mō chotto monowakariga yoku nattehoshiiyo.
A really perceptive person can figure out a whole situation with just a few clues. That's the kind of person I want you to become.