に備えた

prepared for; prepared in anticipation of

→ に
phrase Rare #37,290
prepared for; prepared in anticipation of This is the past form of に備える, meaning “to prepare for.” It can be used as a predicate, as in 試合に備えた (prepared for the match), or before a noun, as in 将来に備えた計画 (a plan prepared for the future).
JA: 彼女は毎日何時間も練習してテニスの試合に備えた。
EN: She practiced for several hours every day to prepare for the tennis match.

我々は攻撃に備えた

We prepared for an attack.

彼女は毎日何時間も練習してテニスの試合に備えた

She prepared for the tennis match by practicing for hours every day.

私は懸命にトレーニングして試合に備えた

I trained hard to prepare for the match.

あなたは将来に備えたほうがよい

You should prepare for the future.