lose: vt.(lost ；losing )1.丢失，丧失。 lose one's balance 失去平衡，跌倒。 lose one's head 被斩首；被搞糊涂。 lose one's life 丢了性命。 The doctor loses his patient. 医生没有治好病人；病人另找医生了。2.迷失，使迷路，使迷惑。 lose oneself [be lost] i
how: adv.1.怎样，怎么(＝in what manner); 用什么手段、方法(＝by what means) 〔疑问副词和连接副词两用〕。 H- does he do it 他是怎样做的？ Ask him how he does it.问问他是怎样做的。 H- did it happen 事情怎么发生的？ He does not know how to swim. 他不知道
