Sentence examples for use your imagination from inspiring English sources

"use your imagination" is a valid and usable phrase in written English.
You can use it to encourage someone to think broadly and creatively, come up with creative solutions, or consider possibilities that they hadn't previously thought of. For example, you could say: "We don't have the budget to hire a professional videographer, so let's use our imagination to come up with an inexpensive DIY solution."