They lost their heads with the delight of their new amusement, and choked with helpless merriment.
他们为这种新的消遣而高兴得发狂，又无可奈何地高兴得透不过气来。
Ramo suggests that if defenders have these black boxes then the U.S. aircraft would be helpless against enemy SAMs, and air superiority would be lost at stroke.
雷默暗示假如防卫者拥有这些黑匣子，那么美军战机对敌方的萨姆导弹将无能为力，空中优势也将转瞬即逝。
Such people may be ashamed of being weak and helpless, ashamed of having been so dependent upon a person, so attached, that sadness and agony are experienced when that person is lost.
这样的人们可能对表现软弱和无助感到羞愧，羞愧于依赖别人，依恋他人，在失去时感到悲伤和痛苦。
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