N4 — outside your level filter
Is said whole, with nothing composed onto it and takes no だ／です, so there are no forms to conjugate.
ご苦労さま
gokurousamathanks for the hard workN4expression
Example sentences2
皆さん、今日は一日ご苦労さまでした。
minasan, kyou wa ichinichi gokurousama deshita.
Everyone, thanks for your hard work today. neutral
あ、ご苦労さま。荷物、そこ置いといて。
a, gokurousama. nimotsu, soko oitoite.
Oh, thanks for that. Just leave the package there. casual