telegraphing的意思

Finally the railway men shrugged , turned away, or rolled their eyes upward , all telegraphing surrender.最后,铁路上的工作人员有的耸肩走开了, 有的翻翻眼, 都表示无能为力.What they're constantly telegraphing is:'I'm scared, I'm afr...

telegraphing的音标：...