To face, confront, or oppose difficulties, enemies, or problems; to stand up to something rather than run away.
彼女は差別に立ち向かう勇気がある。
She has the courage to stand up to discrimination.
小さな会社が大手企業に立ち向かうのは簡単ではない。
It's not easy for a small company to confront a large corporation.
チームは困難に立ち向かって勝利をつかんだ。
The team faced the difficulties and achieved victory.