思前想后 (sī qián xiǎng hòu): Think over and over again / deliberate (verb/idiom) — Meaning & Stroke Order

After thinking it over and over again, he politely declined that high-paying but high-pressure job offer.

Before making important decisions, she always thinks carefully and considers all possibilities.

Are you thinking it over and over again because you're worried about the potential risks of the project?

She did not deliberate; instead, she made that crucial decision quickly based on intuition.