lack

• He must be sadly lacking in intelligence .
  他的智力一定极为贫乏。
• Lack of iodine is a common cause of trouble .
  缺碘是造成麻烦的常见原因。
• The people lacked the necessaries of life .
  人们缺少生活必需品。
• Nothing is lacking for your comfort .
  你的舒适设备，应有尽有了。
• I am very much aware of the lack of food supplies .
  我深知食物贮备不足。
• Lacking any better idea , adopt mine .
  没有更好的主意，就采用我的主意吧。
• The root of the problem is lack of trust .
  产生这问题的根源在于缺乏信任。
• I am afraid he lacks the killer instinct .
  我看他不够心狠手辣。
• We grew white-faced with lack of sleep .
  因缺乏睡眠，我们的脸色变得苍白。
• It lacks the victorious and aggressive notes .
  它缺乏那种胜利进取的标帜。