上诉 (shàng sù): Appeal (Verb) — Meaning & Stroke Order

Despite the unfavorable first-instance result, the legal team still insisted on preparing the appeal materials.

Haven't you ever considered the possibility of appealing the arbitration award?

If you lose the first trial, you can appeal to a higher court within the specified time.

He ultimately did not appeal, but instead chose to reach an out-of-court settlement with the other party.