diametrically opposite; differ conspicuously (/greatly); far apart; not in the least alike; stand at the opposite pole from; utterly (widely) different ❍ 采取不同的方法，会得出～的效果。Different methods will lead to diametrically opposite results. ❍ 他们生活在一个和我们～的世界里。They live in a world far other from ours.
迥然不同
utterly different; not in the least alike
迥然不同jiǒnɡ rán bù tónɡ
迥然：距离很远的样子。比喻差别非常大。not in the least alike, utterly different, like as chalk and cheese, far other