presumption
UK/pri'zʌmpʃәn/US
IELTSTOEFLGREA1
释义
n.
Something taken to be true as a starting point; a belief held until disproved.
假定，推定（作为起点的认定，直到被推翻）。
n.
Behavior that is arrogant or overconfident; cheek.
放肆，傲慢，冒昧。
词根拆分
词根派生pre-（事先）+ sumpt（取，-mpt- 名词词干）+ -ion =「事先就想当然的东西」。它继承了 presume 的两面：作为前提的假定（presumption of innocence 无罪推定）和傲慢的逾矩（the sheer presumption of it 十足的放肆）。
词根 sum 还连着 17 个词常用搭配
- 1.presumption of innocence无罪推定
- 2.rebuttable presumption可反驳的推定
- 3.sheer presumption十足的放肆
例句
- 1.
The presumption of innocence is a cornerstone of the legal system.
无罪推定是法律体系的基石。
- 2.
It was sheer presumption to walk in without an invitation.
没受邀请就闯进来真是太放肆了。