fā​fèn​tú​qiáng

improve oneself

发奋图强 (發奮圖強) fā​fèn​tú​qiáng
improve oneself idiom
to be determined to do better or pull one's socks up; to work hard to improve one's personal circumstances
strive for strength idiom
to make a concerted effort to become strong and prosperous, typically on a national or organizational level

Frequency

Written text
0.463 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)