whenasconj.<古> 然而； 而whenadv.什么时候；当 ... 时conj.然后；可是；当 ... 时pron.什么时候n.时间When you have trouble then当你深陷麻烦之中When Stopped by the Police被警察拦住之后when one's ship comes home当愿望实现时...When in doubt leave out.有疑问则驻笔。When did you go there?When will you go home?When Maple Leaves Turn Red当枫叶红了的时候When does the male bonding男人们什么时候想到When I lived in Finland.当我在芬兰的时候。When is your baby due?

1. That has been particularly true when it comes to Burma.
   当涉及到缅甸问题时，这一点尤其正确。
2. Yes, this is so, only when the third party liability is involved.
   是的，当涉及到第三方赔偿责任时，是这样的。
3. When it comes to courtship, females do favor flashier males.
   当谈到求爱，女性更青睐华丽的男性。
4. Edwin became serious when I asked about his opinion on Chinese news reporting.
   当谈到对中国新闻报道的看法时，埃德温严肃了起来。