expression
about the same; approximately the same
Used to compare two things that are roughly equal in degree, amount, or quality. Often followed by ～だ or ～になる.
この二つの箱は同じくらいの重さだ。
These two boxes are about the same weight.
彼は私と同じくらい日本語が上手だ。
He is about as good at Japanese as I am.