You know what it looks like… but what is it called?
TAKE THE QUIZ“dǎ yìn”
The following 2 entries include the term dǎ yìn.
day in and day out
idiomatic phrase: for an indefinite number of successive days
have one's day in court
idiom: to defend oneself in a court of law
Love words? Need even more definitions?
Merriam-Webster unabridged