先に述べたように、計画は変更されました。
As mentioned earlier, the plan has been changed.
彼は先に帰りました。
He went home earlier.
first; before (someone/something else); ahead (of)
Indicates doing something before others or ahead of something else; often implies order or priority.
どうぞお先に食べてください。
Please go ahead and eat first.
彼は私より先にゴールに着いた。
He reached the goal ahead of me.
beforehand; in advance; ahead of time
Emphasizes doing something in preparation or earlier than necessary; often used with verbs like 準備する, 連絡する, 予約する.
先に準備をしておいてください。
Please prepare in advance.
先に連絡してから訪問したほうがいいですよ。
You should contact them beforehand before visiting.
He reached the finish line before his rival.
I prepared the materials in advance before the meeting.
Please go ahead, I'll go later.
I'll finish my homework first and play games afterward.
just when; just as; at the very moment when; on the point of
neither before nor after; no other time; the only time