title: 英语词语辨析，非常紧急！atthemomentforthemom 
desc: at the moment
  for the moment
  in the moment
  by the moment
  以上四组词组有何区别？
answer: at the moment
  adv.
  此刻，正当（那时）
  I'm very busy at the moment.
  此时我正忙着呢。
  
  for a moment
  一会儿, 片刻
  Wait for a moment.
  等一会儿。
  
  in a moment
  adv.
  立刻，马上。
  I'll be back in a moment.
  我立刻回来。
  
  by the moment
  当时。
  I was being there by the moment.
  我当时正在那。