n.[(+on/upon)]

1. （稅的）徵收；施加（懲罰等）[U]
   Everyone grumbled at the imposition of new taxes.

   對徵收新加的賦稅人人都抱怨。

2. 徵收的稅；懲罰，負擔[C]
   an imposition of 200 dollars on a coat

   對上衣收的二百元稅

3. 不公平的負擔；不合理的要求[C]
   severe impositions on one's children

   對孩子太過嚴厲的要求

4. 強加[U]
   The film star became wild with anger over the imposition on her privacy.

   那位電影明星因私生活受到干預心頭直冒怒火。

5. 利用；欺詐；哄騙[C]
   Would it be an imposition to ask you to mail this parcel?

   請你郵寄這個小包裹算是利用你嗎？

n.

1. the action of imposing or of being imposed.
2. an unwelcome demand or burden.