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
when: adv.1.〔疑问〕什么时候，几时。 W- did you see him (这以前)你几时见他的？2.〔关系，引导定语从句〕当…的时候。 He came at a time when I least expected him. 他在我最想不到的时候来了。3.从前境况差时。brag of having known sb. when 夸耀自己是某人过去的患难之交[布衣之交]。
