hold good
hold good {v.}
1. To continue to be good; last.
The coupon on the cereal box offered a free toy, but the offer held good only till the end of the year.
Attendance at the basketball games held good all winter.
2. To continue; endure: last.
The demand for new houses held good all that year.
The agreement between the schools held good for three years.
See: HOLD TRUE.
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Source: A Dictionary of American Idioms