expulsion

Compared meaning: being kept out or forced out of a group (noun).

比较义项：排除在外／驱逐出去（名词）。

• exclusion

  Exclusion means keeping someone out or not letting them take part, whether or not they were ever a member; it can come from a decision, a rule, or plain circumstance, not necessarily punishment.

  exclusion 指使某人无法加入或参与，被拒之门外，无论此人是否曾是该群体的一员；这可能源于某项决定、某条规则或客观情况，不一定是惩罚。

  Her exclusion from the meeting made her feel left out.

  她被排除在会议之外，让她觉得被冷落了。

• expulsion 本词

  Expulsion means forcibly removing someone who was already a member from a place, school, or organization, usually as punishment for breaking rules.

  expulsion 指把已经是成员的人强行赶出某个场所、学校或组织，通常是因违反规定而受到的惩罚。

  His expulsion from the club came after he broke several rules.

  他因违反了多项规定，最终被俱乐部开除。

Exclusion and expulsion both mean being kept out of a group; both sound formal. Exclusion means not being allowed to join or take part, even if the person was never a member. Expulsion means forcibly removing someone who was already a member, usually as punishment.

这两个词都表示“被排除在某个群体或场所之外”，语气都比较正式；但 exclusion 强调“不被允许加入或参与”，未必意味着此人曾是成员，也未必带惩罚色彩；expulsion 强调“把已在其中的成员强行赶出去”，通常带有因违反规定而受罚的意味。