金がない

have no money

→ 金
phrase Uncommon #13,956
have no money A direct, commonly used way to say that someone has no money or cannot afford something. 金 is a casual form of お金.
JA: 今月は金がないから、外食はできない。
EN: I have no money this month, so I can't eat out.

彼女には手持ちの金がない

She has no cash on hand.

彼は金がないため旅行に行けなかった

He couldn't go on the trip because he didn't have any money.

新しいのを買う金がないのか

Can't you afford a new one?

— 嵐の中で (2018)

一つには金がないし、また一つにはその暇もない

For one thing, I don't have the money, and for another, I don't have the time.

俺さお前は金がないもんだと思ってたんだけど

I thought you were broke, though.

私は他にもいろいろ理由があるとりわけ金がないから行かない

I’m not going, mainly because I don’t have any money, though there are various other reasons as well.

金がない

I have no money.

— Carandiru (2003)

けど金がない

But I don't have any money.

— 預言者 (2009)

車が欲しいそれを買う金がない

I want a car, but I don't have the money to buy one.

辞書を買う金がない

I don't have enough money to buy a dictionary.

俺たちはここでチキンを開く金がないならカジノはどうだ

We’ll open a chicken joint here. If we don’t have the money, how about a casino?

— ベイビー・ブローカー (2022)

私にはその辞書を買う金がない

I don't have enough money to buy that dictionary.