宣誓 (xuān shì): Swear an oath (Verb) — Meaning & Stroke Order

At the wedding, they swore an oath to each other, promising to spend their lives together.

Although he publicly pledged his loyalty, he did not keep his promise in private.

The new recruits solemnly swore an oath to defend national sovereignty at all costs.

New employees swear to abide by company regulations upon joining.