They learned to communicate better.

Meaning: This means that the cat and mouse got better at understanding each other's needs and feelings.

Choice of Words: Learned means to gain knowledge or skill through study or experience. Communicate means to share information, ideas, or feelings. Better means in a more effective or satisfactory way. When you put them together, "learned to communicate better" means that the cat and mouse developed better ways to share their thoughts and feelings with each other.

Alternative Expressions

Related Expressions