carefully weigh every word; choose one’s words with great care; go over one’s wording carefully; refine (up)on words; write(/speak) in measured terms
❍ 所有的发言、报告，都可以拿回去修改，～，在五天之内，把那些没有讲完的，或讲得不妥的，再加以修改。(《毛泽东选集》Ⅴ—148)These comrades may go over their wording carefully and have five days to change whatever they had said inadequately or not quite correctly.
字斟句酌
pick one’s words with great care;deliberate what words to use;weigh every word
字斟句酌zì zhēn jù zhuó
对每一个字和每一句都要反复考虑、仔细推敲。形容态度非常慎重认真。weigh every word, choose one’s words with care