jiā​bèi

double

加倍 jiā​bèi
double adverb
to increase by twofold; to make twice as much or as many

If it is not repaid on time, the interest will double.

redouble adverb
to increase efforts, care, or intensity significantly

Faced with challenges, we need to double our efforts to succeed.

Frequency

Movie subtitles
7.39 per million appears in 3% of films
Written text
4.88 per million

Sources

Definitions
CC-CEDICT