慣れっこ (なれっこ) — being used to ...; getting used to ...; being accustomed to; being conditioned to; be familiar with
慣れっこ
な れ っ こ
Being used to ...; getting used to ...; being accustomed to; being conditioned to; be familiar with
私達
はみんな
夜遅
くまで
働
くのに
慣
れっこになっている
。
We are all accustomed to working late at night.
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