苦干[kǔ gàn]
词典bang away at：慌慌张张地做（事）；苦干。
词典be [keep] at it
词典work hard：努力工作。
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词典get a hump on：赶紧，苦干。
词典苦干
词典grind：折磨；磨碎，嚼碎。
苦干[kǔ gàn]
bang away at; be [keep] at it; work hard:
例：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 spirit.