1
unsuspecting + [noun]
“unsuspecting”常作定语，直接放在名词前，强调某人没有意识到风险或欺骗。
The scam targets unsuspecting tourists who believe they are getting a good deal.
这个骗局专门针对毫无戒心的游客，他们以为自己捡了个大便宜。
不怀疑的；无疑虑的；信任的
先理解核心含义，再看它在真实句子里的用法。
不怀疑的；无疑虑的；信任的
not suspicious
The scam targets unsuspecting tourists who believe they are getting a good deal.
这个骗局专门针对毫无戒心的游客，他们以为自己捡了个大便宜。
不怀疑的；毫无怀疑的
Not suspecting; without any suspicion.
不怀疑的；无戒心的
not suspicious
不知道的；未预料的；认为不大可能的
(often followed by `of') not knowing or expecting; not thinking likely
The unsuspecting tourists walked straight into the trap.
那些毫无戒心的游客径直走进了陷阱。
AI contextual example
She sold the damaged car to an unsuspecting buyer.
她把那辆损坏的车卖给了一个不知情的买家。
AI contextual example
The unsuspecting birthday girl was delighted by the surprise party.
那个毫无戒心的过生日女孩看到惊喜派对时非常高兴。
AI contextual example
deceiving the unsuspecting public
欺骗毫无防备的公众
WordNet
“unsuspecting”常作定语，直接放在名词前，强调某人没有意识到风险或欺骗。
The scam targets unsuspecting tourists who believe they are getting a good deal.
这个骗局专门针对毫无戒心的游客，他们以为自己捡了个大便宜。
用在系动词后作表语，表示“完全没料到”的状态。
The guards remained unsuspecting until the thieves were already inside.
警卫们一直毫无察觉，直到盗贼已经进入室内。
后接 of 短语时，说明“没有料到”的具体对象；比单独作表语更明确。
Many residents were unsuspecting of the danger until the official warning came.
许多居民在官方警告发布之前完全没有意识到危险。
Not this
The unsuspecting man was questioned by the police.
Use this
The unsuspected man was questioned by the police.
unsuspecting 意为“不怀疑别人的”，主语是怀疑这一动作的发出者；而本句要表达的是“未被怀疑的”，应使用 unsuspected，表示“不受怀疑的”。混淆两词会颠倒怀疑的主体与客体。
Not this
He unsuspecting the danger until it was too late.
Use this
He did not suspect the danger until it was too late.
unsuspecting 是形容词，不能直接带宾语作谓语动词。要表达“没有怀疑到某事物”，应使用动词 suspect 的否定形式（did not suspect）或形容词短语 be unaware of。
Not this
The package looked unsuspecting, so they opened it.
Use this
The package looked innocent, so they opened it.
unsuspecting 仅用于人（或能产生怀疑的动物），表示“不怀疑的”；形容物体“不惹人怀疑、看起来无害”应用 innocent 或 harmless。不能把物体拟人化为“不怀疑的”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
毫无戒备的受害者
The scammer targeted an unsuspecting victim online.
骗子在网上盯上了一个毫无戒备的受害者。
毫无戒备的公众
The contaminated product was sold to an unsuspecting public.
受污染的产品被卖给了毫无戒备的公众。
毫无戒备的游客
Pickpockets often prey on unsuspecting tourists.
扒手经常盯上毫无戒备的游客。
毫无戒备的路人
The prank startled an unsuspecting passerby.
这个恶作剧吓到了一位毫无戒备的路人。
毫无戒备的猎物
The hawk seized its unsuspecting prey.
那只鹰抓住了它毫无戒备的猎物。
Use unsuspecting naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un（不）+ suspect（怀疑）+ ing，合起来就是“不怀疑的”——像毫无戒心的人，轻易信任别人。
语域：neutral 常见场景：narrative writing、news reporting 该词是中性偏正式的书面表达，多用于叙述或报道中；日常口语里更常说 not suspicious 或 doesn't suspect anything。
These words all share the stressed ending /ɛktɪŋ/ and rhyme with 'unsuspecting' (UK /ˌʌnsəˈspɛktɪŋ/). Note that 'unsuspicious' /ˌʌnsəˈspɪʃəs/ looks similar but has a different ending and does not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.