expression
in one ear and out the other; from right to left
Idiomatic expression meaning that something is heard but immediately forgotten, or that information passes through without being retained. The literal meaning 'from right to left' is also used in physical contexts.
彼の話はいつも右から左へ抜けていく。
His words always go in one ear and out the other.
注意されても右から左へで、すぐ忘れてしまう。
Even when warned, it's in one ear and out the other, and I forget right away.
expression
without further ado; quickly and efficiently
Describes handling something swiftly and smoothly, often in business or administrative contexts. Implies no unnecessary delay or fuss.
彼は面倒な手続きを右から左へと片付けた。
He dealt with the troublesome procedures quickly and efficiently.
その問題は右から左へと処理された。
The matter was handled without further ado.