一下儿的英文怎么说

一下儿的英文：
a little bit
a little while

• You may, out of politeness, nod your head, or say hello to the speaker.
  你可以出于礼貌，点一下儿头，或者问一声好，就可以了。
• `So did I, madam, and I am excessively disappointed
  “我也是的，夫人，您看我这一下儿真给弄得狼狈极了。

• He is recovering little by little.
  他的健康正在渐渐地恢复起来。
• Little by little and Bit by Bit
  积少成多,积沙成塔
• What costs little is little esteemed.
  便宜的东西得不到珍视。
• A little bird is content with a little nest.
  小鸟满足于小巢。
• Profound knowledge is accumulated little by little.
  渊博的知识是逐渐积累起来的。

• Little by little and Bit by Bit
  积少成多,积沙成塔
• The collective wealth has been accumulated bit by bit.
  集体的家业是一点一滴地积攒起来的。
• A rabid dog bit him.
  他被一只疯狗咬了。
• She's a bit of a mystery!
  她这人有点来历不明！
• a bit of; a scrap of; a stitch of
  一点点