词典释义：
双语例句
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Sandburg and lindsay walked the tight-rope; if the tension of their verse slackened; they were precipitated into extremes of prosiness or sentimentality .
桑德伯格和林赛走的是绷紧的钢索；假如他们的诗在张力上一放松，就要摔到两个极端去，不是平淡无味，就是无病呻吟。