cautiously
慎重に
解説 Definition
cautiously は cautious（用心深い、慎重な）からできた副詞で、慎重に、用心してという意味です。危険や失敗を避けるために、急がず注意しながら行動する様子を表します。
Cautiously means in a careful and watchful manner intended to avoid danger, mistakes, or unwanted consequences. It describes how someone acts, moves, speaks, or makes a decision when there is a reason to be wary.
覚え方のコツ Memory Tip
cautiously は cautious に副詞語尾 -ly を付けた形で、「慎重な」性質ではなく、動作の仕方を説明します。open cautiously、move cautiously、cautiously accept のように動詞と組み合わせましょう。slowly が単に速度の遅さを表すのに対し、cautiously は危険・失敗を避けるため注意を払うことが核です。
Build cautiously from cautious plus the adverb ending -ly. Cautious describes a person or approach; cautiously tells how an action is performed. Attach it to verbs: open a door cautiously, drive cautiously through snow, or cautiously accept an offer after checking it. The key is not merely moving slowly. Someone acts cautiously because they recognize a possible danger, mistake, or disadvantage and take care to avoid it. Link the word with caution, the related noun, and contrast it with carelessly. In a sentence, cautiously can come after the verb or before a verb for emphasis.
例文
She opened the old door cautiously.
彼女は古いドアを慎重に開けました。
The driver moved cautiously through the heavy snow.
運転手は大雪の中を慎重に進みました。
We cautiously accepted the offer after checking the details.
私たちは詳細を確認したうえで、その申し出を慎重に受け入れました。
cautiously の類義語・関連語
紛らわしい語
cautiously の語源・成り立ち Etymology
ラテン語 cautio（用心）が語源で、cavēre（警戒する）から派生。caution + -ous（形容詞化）+ -ly（副詞化）の構成。関連語: caution（注意）、precaution（予防策、pre-=前もって）。「前もって警戒する」という原義が「慎重に行動する」という現在の意味に直結している。
Cautiously is formed from cautious and the adverbial suffix -ly. Cautious derives from caution, which came through French from Latin cautio, “carefulness,” “security,” or “warning.” Cautio is related to cavere, “to be on guard” or “beware.” The suffix -ous forms an adjective expressing a quality, and -ly turns that adjective into an adverb describing manner. Its structure therefore directly supports the sense “in a guarded, careful way.”
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