telltale

adj.

搬弄是非的；（机械装置）起监督作用的；泄露秘密的；能说明问题的

n.

搬弄是非者；指示器；舵角指示器；警告悬条标（铁路用标志，表示前有旱桥等）

复数：telltales

1. The telltale smell of cigarettes told her that he had been in the room.
   那股明显的香烟味告诉她，他曾在这房间里呆过。
2. I could see from the telltale look in her eyes that she loved him.
   我从她那无法掩饰的眼神里可以看出她爱他。

1. The teacher did not notice that I was cheating until that rotten telltale told her.
   在那个该死的告密者告诉老师之前，老师并没有注意到我作弊。
2. There are a number of telltale signs that an application is leaking memory.
   很多迹象能够表明应用程序正在发生内存泄漏。

Telltale
Telltale wind indicator for Mars Phoenix lander
The telltale structures of epoxide hydrolases.
The telltale scan: APOE epsilon4 in multiple sclerosis.
The telltale voice: Nonverbal messages of verbal communication.
Towards a telltale watermarking technique for tamper-proofing
Telltale Hearts: The Origins and Impact of the Vietnam Antiwar Movement (Book)
TELLTALE: Experiments in a dynamic hypertext environment for degraded and multilingual data
Digital watermarking for telltale tamper proofing and authentication
Semi-blind image restoration based on telltale watermarking