hold good
to continue to be true:
Their arguments were valid a hundred years ago and they still hold good today.

[TahlilGaran] Advanced Learner's Dictionary ▲

hold good
if a statement holds good for something or someone, it is true of that thing or person.
The saying 'good things come in small packages' holds good for this excellent miniature TV set.
(often + for)
It looks as though my predictions for snow at Christmas are holding good.

[TahlilGaran] English Idioms Dictionary ▲

hold good
continue, endure, last
The demand for air conditioners held good during July but decreased rapidly in August.

[TahlilGaran] English Idioms Dictionary ▲

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.

[TahlilGaran] English Idioms Dictionary ▲