Translation guide
A guide to expressing the English phrase 'just as' in Japanese, covering simultaneous actions, manner, and comparison.
Expressing that two actions happen at the same time, often with a sense of 'at the exact moment'.
Used to indicate that two actions occur simultaneously. Attach to the dictionary form of a verb.
Just as he entered the room, the phone rang.
Emphasizes that something happened the instant another action was completed. Often used for unexpected events.
Just as I opened the door, the cat jumped out.
Describes two actions happening almost simultaneously, with the second occurring before the first is fully completed.
Expressing that something happens or is done in the same manner as something else.
Means 'in the same way as'. Used to compare actions or states.
Please do it just as I taught you.
A more concise way to say 'just as/like'. Can be used for manner or similarity.
Just as he said, it was easy.
Means 'exactly as' or 'in accordance with'. Often used when following instructions or expectations.
Please assemble it just as the instructions say.
Expressing that two things are equal in some quality or degree.
Both express simultaneity, but 〜たとたん emphasizes a sudden or unexpected event immediately after an action, while 〜と同時に is more neutral and can be used for planned simultaneous actions.
Just as I left the house, it started raining (unexpectedly).
Just as the starting signal sounded, they began running (planned).
Avoid directly translating 'just as' word-for-word. Phrases like ちょうど〜のように are sometimes possible but often sound unnatural. Use the patterns above for natural Japanese.
He fell asleep just as he got into bed.
She sings just as well as a professional singer.