weird

Compared meaning: unusual or not normal (adjective).

比较义项：奇怪的、不寻常的（形容词）。

• weird 本词

  The most informal of the three; often implies something eerie, unsettling or hard to explain, and is common in everyday spoken English about odd behaviour or feelings.

  三者中最口语化的一个，常暗示某事诡异、令人不安或难以解释，常用于日常口语中描述奇怪的行为或感受。

  That guy's been acting really weird ever since his sister left town.

  自从他姐姐离开小镇后，那家伙的行为变得很奇怪。

• strange

  The plainest, most neutral word for unusual; used in almost any everyday context without suggesting anything eerie or particularly noteworthy beyond being out of the ordinary.

  三者中最平实中性的词，几乎可用于任何日常语境表示不寻常，不带诡异色彩，也不特别强调引人注意。

  It felt strange to sleep in a hotel room again after months at home.

  在家待了几个月后，再次睡在酒店房间里感觉很奇怪。

• curious

  More formal and literary; suggests something odd enough to arouse interest or investigation, and is typically used for objects, details or situations rather than people's feelings or behaviour.

  语气更正式、更书面化，暗示某事奇特到足以引起兴趣或追查，通常用来形容物品、细节或情况，而不是人的感受或行为。

  The detective found a curious set of scratches on the inside of the door.

  侦探在门内侧发现了一组奇怪的划痕。

All three describe something unusual, with different tone. Weird is the most informal, often implying something eerie or hard to explain. Strange is the plainest, neutral word for unusual, used in any context. Curious is more formal and literary, suggesting something odd or intriguing.

这三个词在奇怪这一义项上意思相近，但语气强弱和正式程度不同：weird最口语化，常带诡异色彩；strange最中性、最常用；curious更正式、书面化，多用于形容物品或情况。这里不比较curious表示好奇、渴望了解的常见用法。