前后 (qián hòu): Around (Noun) — Meaning & Stroke Order

His argument is logically rigorous and coherent from start to finish, making it convincing.

According to the lunar calendar, his birthday happens to fall around the winter solstice this year.

His contradictory statements left all the audience puzzled and perplexed.

Your argument just now was inconsistent; don't you find it self-contradictory?

In the report, he used comparative data to set off the significant differences before and after the reform.