Dictionary / Vocabulary / 不断
ふだん
constant; persistent; unremitting; ceaseless
common word
彼が成功したのは、才能より不断の努力のおかげだ。
He has succeeded by virtue of his constant efforts rather than his talent.
言うまでもなく、不断の努力は幸せのための鍵である。
Needless to say, diligence is a key to happiness.