expend (something) for (something)
To spend a certain amount of money on something. I bet Al expend a bundle for a fancy car like that.
expend (something) in (something)
To use some resource in some action or pursuit. We've been expending most of our effort in marketing, but we really need to improve the product.
expend (something) on (someone or something)
To use some resource to attempt to make a change of some kind in someone or something in particular. I don't want to expend much energy on my side business anymore because I'm just not making that much money from it. We don't have to expend much training time on Lisa—she already knows the ropes.
expend something for something
to pay a certain amount for something. I expended an enormous amount for skin creams. How much money did you expend for this gaudy tie?
expend something in something
to use or consume something in some activity. You expend too much energy in talking. Harry expended a lot of time in the preparation of his speech.
expend something on someone or something
to use something on someone or something. Don't expend too much energy on him. He isn't worth it. There is no point in expending any more money on this car.