Use 'spend' to talk about paying money for things. It means you give money when you buy or use goods or services.
I spend money to buy food.
She spends cash at the store.
'Spend' means to use time doing activities. You can talk about how long you do something, like work or rest.
I spend two hours on homework.
She spends time with her family.
You can use 'spend' when talking about using energy or effort for an action. It means using your power or strength to do things.
He spends a lot of energy playing soccer.
They spend effort to finish work.
'Spend' can mean to waste money or time on things that are not good or helpful. It shows using things in a bad or careless way.
Don’t spend your money on useless things.
He spends too much time watching TV.
'Spend' is used in official or formal contexts when organizations or governments use money to pay for services or projects.
The government spends billions on education.
The charity spends funds to help people.
'Spend' means to be in a place or with people for some time, often doing something enjoyable or relaxing.
We spent the day at the beach.
They spent the evening at home.
This phrase means to use all your energy doing something hard, so you become very tired or weak after it.
He spent himself running the marathon.
She spent herself working all day.