operational tell-tale操作指示灯
tell-tale signs有迹象显示
readiness tell-tale同上
tell-tale compass悬吊螺盘
ABS tell-taleABS警报装置
tell-tale screen报信滤网
tell-tale lamp信号灯
tell-tale signal警号
tell-tale display指示灯显示屏;指示灯预示屏
ADJ（形容词） Something that is described as telltale gives away information, often about something bad that would otherwise not be noticed. 泄露内情的 [ADJ n]
Only occasionally did the telltale redness around his eyes betray the fatigue he was suffering.
只有在他眼周发红的时候才偶尔显出他有多么疲劳。