be lost

• They all appeared to be lost in the humdrum and routine of their work .
  他们好象一个个都被埋在日常单调的工作当中了。
• We were losing money, and we weren't cutting our overhead fast enough .
  我们是高损户，我们节省管理费用的步子走得不够快。
• Tonight he had trouble finding his way and several times came close to be lost .
  今天晚上，路很不好找，他好几次差点迷了路。
• If people want to solve the problem of waste, there is no time to be lost .
  如果人们想要解决垃圾问题，那已经是刻不容缓的了。
• Malignant segregants may, therefore, arise when complementing chromosomes are lost .
  因此当互补染色体丢失时，就会产生恶性分离子。
• Another portion is lost as heat because of inefficiencies in energy transfer .
  由于能量转换效率低，另一部分能量以热量形式损失掉。
• The chance had been lost then, we must not lose the opportunities at hand today .
  那时机会失去了，现在我们决不要再丧失到手的机会。
• With several of their planes temporarily out of commission , the airline is losing money .
  航空公司因有几架飞机暂时不能使用而正在赔钱。
• He worried lest he should be losing the drive and energy which had never failed him before .
  他担心自己会失去以前一向充沛的干劲和精力。
• The dam must be closed before the rainy season sets in , or all our labour will be lost .
  大坝一定要在雨季开始以前合拢，否则就会前功尽弃。