He had crept up on his unsuspecting victim from behind.
他从背后悄悄逼近了那毫无戒备的受害者。
1.不怀疑的;不猜疑的;相信的
2.没有料想到...的 (of)
1.not knowing about something that is happening or will happen
1.A mighty beast rises out of the water, ready to pounce on some unsuspecting prey.
一头凶猛的怪兽破水而出，并随时准备给毫不设防的猎物致命一击。
2.The second-hand marketplace is often where counterfeiters sell fakes to unsuspecting customers.
造假者常常在不容易引起顾客怀疑的二手市场出售假货。
3.Attach it to the dismembered leg of an unsuspecting cockroach and listen to its neurons as an iPhone interface creates visualizations.
将它附着到一只毫无戒心的蟑螂的肢解腿上，便能像iPhone界面创造的视觉化一样聆听它的神经元。
4.The analyst, who does not know more about the fundamental value of the dollar than the unsuspecting buyer, invents stories.
对于美元的基本价值，分析师并不比毫无戒心的买家了解得更多，所以他们就编故事。
5.She got a considerable sum of money out of the unsuspecting people under the pretence of collecting for the blind.
盲人募捐为借口，从轻信的人们那里骗取了一大笔钱。
6.A special version of a normal request Ping which some idiot thought up to mess up unsuspecting hosts.
一个正常的请求Ping的命令，就像傻瓜允许披着狼皮的羊粗暴地对待可怜的主人。
7.Nale: Why, you're the centerpiece of a daring plan to lure your unsuspecting brother Roy into a trap, child.
你想知道？你是一个引诱你没啥戒心的哥哥进入陷阱的大胆计划的核心，小丫头。
8.In fact, old pancake mix has caused the death of at least one unsuspecting young person with an allergy to mold.
实际上，过期的煎饼粉已经引起至少一个对霉过敏的年轻人死亡。
9.Blaming PowerPoint for an inscrutable slide is like blaming Twitter for DMing pictures of your penis to unsuspecting followers.
责备PowerPoint是糟糕的幻灯片就像责备是特推发送了你的淫秽图片给关注者一样。
10.And PancakeCroc was named for its wide, flat head, which it kept on the bottom, jaws open, waiting for an unsuspecting dinosaur to step in.
煎饼鳄的名字源于它宽扁的脑袋，它脑袋始终处于下方，嘴巴张开，时刻等待着没有设防的恐龙靠近。