An expression used to thank or acknowledge someone's hard work — often said after work or a task (e.g., "Good job" / "Thank you for your hard work").
今日も一日お疲れ様でした。
Thank you for your hard work today.
ミーティング、長かったね。お疲れ様。
That meeting was long. Good job/Thanks for your effort.
手伝ってくれてありがとう。お疲れ様！
Thanks for helping. Good job!
Also used as a parting phrase (goodbye/see you) in workplaces — e.g., said when leaving.
先に帰ります。お疲れ様でした。
I'm leaving early. Goodbye / Thanks for your work.
お疲れ様。ではまた明日。
Goodbye — see you tomorrow.