Pinyin Dictionary results for "ke ku"

刻苦
hardworking; assiduous
刻苦努力
assiduous; taking great pains
刻苦学习
to study hard; assiduous
刻苦耐劳
to bear hardships and work hard (idiom); assiduous and long-suffering; hard-working and capable of overcoming adversity
刻苦钻研
to study diligently
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