This time the maneuver was too crude, they had overplayed its hand. 這次他們的手法太露骨，結果是弄巧成拙。
But, unfortunately, more people have heard of the Heimlich maneuver than actually know how to administer it. 但是，不幸的是，大多數人聽(tīng)說(shuō)過(guò)海姆利希手法但實(shí)際上并不知道如何操作。
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