오십보백보가 · 오십보백보를
a difference that makes no difference; not much better; the pot calling the kettle black
Example
지각한 사람이나 결석한 사람이나 오십보백보예요.
The person who was late and the person who was absent are pretty much the same.
Word parts
오 five+십 ten+보 step+백 hundred+보 step
From Mencius: a soldier who fled fifty paces laughing at one who fled a hundred.
Good to know
Common pattern: A나 B나 오십보백보다.