Tick tock什么意思

"Tick tock" is an onomatopoeia, which means it's a word or phrase that imitates the sound it represents. In this case, "tick tock" is used to represent the sound of a clock's ticking. It's often used in a figurative sense to refer to the passage of time or to create a sense of urgency or suspense, as in the phrase "tick tock, time's running out."