명절 후유증

Monday Blues(월요 증후군)

Morning Blues(일요 증후군)

I would say "After-vacation Blues"

after-effects(후유증)

Do you gain holiday weight?

(명절 지나면 살이 찌나요?)

How to beat Monday Blues.

I don't feel like working today. 

(오늘 일 할 기분이 아니네요)

It's hard to readjust after a long holiday like this.

(일상으로 복귀하기가 힘들다.)

I don't feel productive.

(일이 잘 안 풀리네, 일이 효율적으로 잘 안 되네.)

I feel a bit lazy today.

(좀 게으러지는 느낌이네 오늘)

It's hard to get back into my normal work cycle. 

getting back to the daily grind: (고된) 일상으로 돌아가다.

daily grind:  everyday work routine (일하는 일상)

to be fed up with buying presents.

(질리다, 신물이 나다.)