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- Indeed, it tends to involve questionable methods, such as systematic spying and snooping, secret surveillance, the use of undercover agents, enticement and entrapment. 甚至，执行这种法律容易涉及值得怀疑的各种法律手段，譬如，有针对性的侦查和窃听、秘密监视、密探布防、诱捕等等。
- She was on the verge of telling all the secret. 她正想把全部的秘密讲给我听。
- I will reveal your secret in no case. 我决不会泄漏你的秘密。
- Do you think Jack could bite in his secret want? 你以为杰克能忍住不说出他藏在心里的欲望吗？
- We discovered a secret passage behind the wall. 我们在墙后发现了一个秘密通道。
- The act or a period of observing; surveillance. 观察; 警戒观察或监视的行为或时间
- Their love affair is an open secret. 他们的风流韵事是公开的秘密。
- The traitor divulged secret plan to the enemy. 那卖国贼走漏秘密计划给敌人。
- He was hesitant about giving her the secret. 他对是否告诉她秘密还犹豫不决。
- He harbors a secret grudge against his father. 他对父亲暗怀不满。
- Detectives kept the quarry under surveillance for weeks. 侦探们监测那个目标已有好几个星期了。
- Squirrels secrete a supply of nuts for winter. 松鼠为准备过冬而藏坚果。
- They pledged never to tell the secret. 他们发誓决不泄密。
- What's the secret of baking perfect bread? 烤出好面包的秘诀是什么？
- Scientists have unlocked the secret of the atom. 科学家已经揭开了原子的秘密。
- I'm a secret fan of soap operas on TV. 我从不声张我是电视连续剧迷。
- He that tells a secret is another's servant. 把柄授他人，自甘当仆人。
- Can you keep a secret? All right I'll tell you. 你能保守秘密吗？那我就告诉你。
- Her secret remains untold by now. 她的秘密至今仍未透露。
- We must keep these people under close surveillance. 对这些人我们要严密监视。
