Blood feeders must also be stealthy and wily and good at escaping the swats and fury of their often much larger hosts.

吸血者也得偷偷摸摸、诡计多端，善于避开通常比自己大的寄主在震怒下的猛击。

He waits for the offending insect to settle on his left hand, raises his right and then swats it to gasps of admiration from onlookers.

他静静等待着苍蝇落在他左手背上，然后缓缓抬起右手，猛地拍过去，在旁观者的赞叹声中，苍蝇已经“蝇”头落地，命丧黄泉。