• in office(执政、在职):The president is in office for four years.(总统在职四年。)
    in the office(在办公室里):He is in the office working on a project.(他在办公室里做一个项目。)
  • at dawn(在黎明):We set off at dawn.(我们在黎明时分出发。)
    at the dawn(在……的黎明):At the dawn of the new century, many changes took place.(在新世纪的黎明,发生了很多变化。)
  • in place(在合适的位置):Everything is in place for the party.(聚会的一切都准备就绪。)
    in the place(在那个地方):I left my book in the place where we met yesterday.(我把书落在了我们昨天见面的那个地方。)
  • by hand(用手工):She made the dress by hand.(她用手工做了这件连衣裙。)
    by the hand(拉着……的手):He took her by the hand and led her out.(他拉着她的手带她出去。)
  • on fire(着火):The house is on fire.(房子着火了。)
    on the fire(在火上):She put the pot on the fire.(她把锅放在火上。)