oddball

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++odd·ball /ˈɒdbɔːl $ ˈɑːdbɒːl/ noun [countable] informal  STRANGEsomeone who behaves in a strange or unusual way 举止古怪的人 SYN eccentric —oddball adjectiven a rather oddball sense of humour

Examples from the Corpus

oddball• Snotlings are an oddball troop type with more to recommend them than their profiles might suggest.• Growing up, most of the other kids considered me an oddball.• Most of my family's OK, but my brother's a bit of an oddball.• So what was it about these two that made them freaks and oddballs?• Its one wart, if you could call it that, is its oddball control layout.• Nerds, oddballs and the tragically under-medicated.• You give too much publicity to radical oddballs...• She understands the oddball perspectives that some viewers have.• Least of all when he is a bad-skinned, ginger-haired, balaclava-wearing oddball reeking of antiseptic.

odd·ball nounLDOCE OnlineChineseSyllable  

or who in someone a behaves unusual strange Corpus

oddball
odd‧ball /ˈɒdbɔːl $ ˈɑːdbɒːl/ noun [countable] informal
someone who behaves in a strange or unusual way
   SYN  eccentric
—oddball adjective:
    a rather oddball sense of humour

odd·ballBrE /ˈɒdbɔːl/ 🔊NAmE /ˈɑːdbɔːl/ 🔊 noun (informal) a person who behaves in a strange or unusual way 行为古怪者；反常者；怪人▸ odd·ball adjective◆oddball characters古怪的人物