Bold and reckless; audacious and uninhibited, often implying ambition and a lack of scruples.
那个年轻人做事总是心粗胆壮，为了达到目的不择手段。
That young man is always bold and unscrupulous, resorting to any means to achieve his goals.
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Bold and reckless; audacious and uninhibited, often implying ambition and a lack of scruples.