He never speaks unadvisedly about anything.

他從來不輕率地談論任何事情.

《現(xiàn)代漢英綜合大詞典》

Before his fall, Peter was always speaking unadvisedly, from the impulse of the moment.

彼得未跌倒之前,他常因一時的沖動而輕率發(fā)言.

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