1Money borrowed from someone else, or the act of borrowing it; a debt.
大学の学費のために借金をした。
I went into debt to pay for university tuition.
借金を早く返すために節約している。
I'm cutting back on spending to pay off my debt quickly.
借金まみれで生活が苦しい。
I'm buried in debt and life is hard.
親から無利子で借金をして家を建てた。
I built a house with an interest-free loan from my parents.
2Baseball slang for a team having more losses than wins, or the size of that gap (e.g. "three games under .500").
チームは借金3を抱えており、上位復帰は簡単ではない。
The team is three games under .500, so climbing back up the standings won't be easy.