잔고

The amount of money remaining in a bank account or wallet

바닥이 나다

To run out of something completely, often referring to money or supplies

소비

The act of spending money or using resources

충동구매

An unplanned purchase made suddenly, often due to emotion or temptation

굳게

In a firm or unshakable way, often referring to determination or belief

다짐

A strong personal promise or resolution to do something

작심삼일

A short-lived resolution; when your determination only lasts a few days

당분간

For the time being; for a while from now

아예

Entirely or from the beginning; often implies a firm decision or complete avoidance

내역

A breakdown or detailed list of items, usually in a bill or report

경조사비

Money given for weddings, funerals, or other important life events

공과금

Monthly utility fees like electricity, water, or gas bills

감당하다

To take responsibility for and manage a heavy burden or difficult task

견물생심

The idea that seeing something can create sudden desire to have it

가계부

A household ledger or budget journal used to track income and expenses