The phrase "a telling indication" is correct and usable in written English.
It can be used to describe something that clearly reveals or suggests a particular fact or situation.
Example: "The sudden drop in sales was a telling indication of the company's declining popularity."
Alternatives: "a clear sign" or "a significant clue".
"This decree is a telling indication of what the authorities have in store and might hint at more mass detentions".
Now the mainstream press is getting involved too, a telling indication of a thaw on this issue.
Sunday will be the latest step in Burress's return to the N.F.L., and it could provide a telling indication about where he fits in the Jets' offense.
The decision of these candidates to run was a telling indication that they considered Mrs. Clinton to be far more vulnerable than the inevitability narrative suggested.
This was a telling indication that Lapid, like many Israelis, imagines Palestinian grievances not as they are, but how he would wish them to be.
A telling indication is that in their interactions with private or public organizations, citizens of Arab states are more likely than those in advanced democracies to rely on personal relationships with employees or representatives.
In a way, that is almost a more telling indication of what is going on — especially if you compare the numbers against those provided by the analyst firms.
In what might be a more telling indication of the imbroglio's potential for long-range damage, The Sunday Times published a poll in which 60percentt of those surveyed said the Labor Party gives the impression of being "sleazy," while only 41percentt applied the tag to the Tories.
An even more telling indication of the eagerness to buy images with famous names pinned on them was provided by a second picture credited to Modigliani.
In one telling indication that power in Indonesia was shifting, The Post also reported today that Jakarta City Council members were demanding that a hotel controlled by the family pay a $1.86 million fine for violating building permits.
Now with 12 points from a possible 15, they face Group F leaders Romania on 13 June for what will be another telling indication of the potential and growth of this squad.
