Unsuspecting Foe天降奇兵
unsuspecting victim轻信的受骗者;毫无戒备心的受害者
Unsuspecting Trout毫无警惕的鳟鱼
Unsuspecting Strike意外狙杀
Unsuspecting public无戒备心的公众
trustful trusting unsuspecting信任的
how unsuspecting friends friends如何众叛亲离
for unsuspecting flies无知的苍蝇
an unsuspecting victim一个毫无戒备的受害人;没有料想到的受害者
ADJ（形容词） You can use unsuspecting to describe someone who is not at all aware of something that is happening or going to happen. 不知情的
She threw a surprise party for her unsuspecting husband.
她为她毫不知情的丈夫举办了一个惊喜聚会。