落下to fall

• 掉眼泪

  shed tears

• 掉雨点儿

  raindrops fall

• 从马上掉下来

  fall off a horse

• 一个牙要掉了。

  A tooth is about to fall out.

• 皮子掉毛了。

  The fur is shedding hair.

• 东西掉在地上了。

  Something has fallen on the ground.

• 我拿不住，掉了。

  I couldn't keep hold of it and it fell.

• 纽扣掉了。

  A button fell off.

• 泥灰掉了。

  The plaster fell off.

落在后面to lag behind

• 掉在队伍后面

  lag behind the group

遗失；遗漏to lose; to be missing

• 掉了一支钢笔。

  A pen has been lost.

• 文章中掉了几个字。

  Several characters are missing from the article.

降低，减少to drop

• 价钱掉了。

  The price has dropped.

摆动to wave

• 掉臂而去

  leave with a wave of the arm

参见：掉转[diàozhuǎn]

• 掉过脸来

  turn around

参见：掉换

卖弄to show off