1.
the blow caught him napping; caught in an off-guard moment; found him off his guard.
他在毫无防备的情况下被打；一时疏忽而被抓；发现他毫无防备。
2.
a timid defenseless simpleton who is readily preyed upon.
容易被伤害的胆小的无防备的傻子。
3.
a feeling of concern for the welfare of someone (especially someone defenseless).
对某人的幸福关心的感情（尤其是无防备的某人）。
4.
Unguarded in expression or manner; open; frank.
无保留的在言谈或举止上无防备的；坦率的；真诚的
5.
On the other hand, we might seriously alter our behavior to keep the human effects on climate small enough to make a catastrophic shift less likely.
铁达尼号的确由于不顾警告而沉没，但其他许多毫无防备的船只都安然无恙地横越了北大西洋。
6.
not prepared or vigilant.
没有准备或毫无防备。
7.
To deprive of the means of attack or defense; render harmless.
使无防备，使无害解除进攻或防御的工具；表示无害：
8.
No provision was made against England aggression.
对于英国的侵略毫无防备。
9.
naked to mine enemies- Shakespeare.
对我的敌人毫无防备-莎士比亚。
10.
Development of Environmentally Acceptable Alternative Strategies for Desert Locust Control
拟订对环境无害的沙漠蝗虫防治备选战略
11.
the child was standing in the middle of the crossfire, defenselessly.
孩子毫无防备地站在有交叉火力的地方。
12.
not defended or capable of being defended.
没有防备或不能防御的。
13.
Muggers lay for the unsuspecting pedestrian in the dark alley.
拦路抢劫者等候在黑暗的小巷中准备袭击那些毫无防范的行人
14.
Preparation of High-solid Co-polymer Emulsifier-free Latexes and Studies of the Application as Water-resistant Coating;
高固含量多元共聚无皂乳液的制备及其用于防水涂料的研究
15.
Preparation and Properties of Silica-Based Organic-Inorganic Hybrid Anticorrosion Coatings
二氧化硅基有机-无机防腐蚀杂化膜的制备及性能
16.
The application of the auto formation technology for paperboard without separates in the production of personal protective instrument-smoke-filter
全自动无隔板纸层成型技术在个体防护装备滤烟层生产中的应用
17.
"No weight to that," Snow sneered."And after such grand preparetion!"
“万无一失”斯诺冷笑说。“我们防备得真好
18.
Preparation of Nontoxic and Hydrophobic Marine Antifouling Paint with Nano-SiO_2
纳米SiO_2制备无毒疏水海洋防污涂料