シンプルで伝わる英語は「S + V (+ O )

日本語は文脈の言語（言葉そのものだけでなく文化的背景、話されている状況、話し相手の関係などを考慮してコミュニケーションする）と言われ、英語は言葉のみでコミュニケーションする言語です。

それで、日本語で、アレコレ、文章に入れ込まないで、簡潔な言葉をS+V (+O)、主語、動詞（必要なら目的語を入れる）の文章でコミュニケーションすれば「通じる英語」が話せます。

これを目指して、中学、または、高校の英語の学び直しをしませんか。
その後、ネィティブとの英会話、英検やTOEIC、留学/上級英語と進めて行けば、英語を通して広い世界のことが学べ、英語で自信獲得です。

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Simple / Understandable English is S + V (+ O )

Japanese is considered a high-context language, where meaning depends heavily on situation, cultural background, and relationships between speakers. English, by contrast, is a low-context language, favoring direct and explicit communication. In high-context cultures like Japan, much is conveyed through unspoken context; in low-context cultures like those using English, meaning is stated clearly in words.

When expressing ideas in English, aim for simplicity. Choose short, clear statements over long, indirect ones. For example: Instead of “My job is an English teacher,” say “I teach English.”Similarly, instead of “I can be relaxed when I go traveling,” say “Traveling relaxes me.”
You can develop this skill by reviewing core English grammar and vocabulary, practicing with native speakers, taking tests like STEP or TOEIC, pursuing advanced study, or engaging in overseas programs. These experiences will broaden your perspective and increase your confidence. Start now, and open the door to new opportunities.