first (EN)

形容詞、副詞、名詞

形容詞 “first”

1. 最初の
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   My first attempt at baking a cake was a complete disaster.
2. 最も重要な（最も重要な場合に使う）
   In her field, she is regarded as the first authority on genetic research.
3. 第一位の（家族の地位に関連する場合に使う）
   The first lady of the country is the wife of the president.

副詞 “first”

1. まず
   First, let's go over the safety procedures before we start the experiment.
2. 最初に（始まりや新しい出来事としての場合に使う）
   She first met her future husband at a friend's wedding.

名詞 “first”

1. 一位
   She was the first in the race.
2. 一速
   After starting the car, make sure it's in first before you pull away from the curb.
3. 初めての出来事
   His invention was a first in the field of renewable energy technology.