苦干: bang away at; be [keep] at it; work hard 短语和例子苦干加巧干 work hard and skillfully; work hard and use one's brain; combine hard work with ingenuity; 我钦佩他们的苦干精神。 i admire their hard-working spiri
辛勤: industrious; hardworking; with one's shoulder to the collar 短语和例子辛勤劳动 work diligently; work hard; labour assiduously
大干苦干: work with might and main; work hard and perseveringly
苦学苦干: study hard and work hard; study and work hard
