immediately vs at once vs right away (準2級必修)
immediately (即座に、フォーマル)
at once (即時に、フォーマル、命令文と相性良い)
right away (すぐに、口語)
right now (今すぐ、口語、命令調)
straight away (英国口語)。
immediate の形容詞用法
immediate family (直系家族: 親・子・兄弟)
immediate response (即時応答)
immediate need
concern (差し迫った必要/懸念)。
immediately + 前置詞句
immediately before
after + N (〜の直前/直後)
immediately upon + -ing (〜するや否や、フォーマル: "immediately upon arrival")。