telltale signs/marks etcCLEAR/EASY TO UNDERSTANDsigns etc that clearly show something has happened or exists, often something that is a secret 泄露秘密的痕迹/标记等
They examined the child carefully, looking for telltale signs of abuse.
LIE DOWNa child who tells adults about other children’s secrets or bad behaviour – used by children to show disapproval 爱搬弄是非的小孩,打小报告者〔儿语,含贬义〕SYN American English tattletale