Synonyms of call it a day in English:

call it a day


See definition of call it a day

phrase

1‘at five o'clock I decided to call it a day’

SYNONYMS
admit defeat, concede defeat, stop trying, give up, give in, surrender, capitulate, be beaten
despair, lose heart, abandon hope, give up hope
informal throw in the sponge, throw in the towel
Australian informal drop one's bundle