お疲れ様
Meanings
1
thank you for your hard work; good work
A set phrase acknowledging someone's effort, often said at the end of a task or workday. Can be used among colleagues, to superiors (with caution), or casually.
Thank you for your hard work today.
I'm heading out first. Good work today.
2
Used as a casual farewell among people who have been working or spending time together, implying 'you've worked hard, now rest'. Common in workplace or group activity settings.
Well then, see you tomorrow. Goodnight.