The big cat quietly crept up on the small mouse.

Meaning: This describes a sneaky movement of a predator towards its prey.

Choice of Words: Crept is a past tense of creep which means to move very quietly and slowly in order not to be seen or heard. Up indicates a direction towards a higher position. On means being in or touching a surface. When you put them together, "crept up on" means to move quietly and slowly towards someone or something in order to surprise them.

Alternative Expressions

Related Expressions