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。