expression, ichidan verb
fall behind on rent; let rent go into arrears
Used when rent payments are overdue, often implying an accumulating debt.
失業してから、家賃を溜めてしまった。
Since losing my job, I've fallen behind on the rent.
家賃を溜めると、大家さんに迷惑が
If you let the rent go into arrears, it causes trouble for the landlord.