The phrase "array of grievances" is correct and usable in written English.
It can be used when discussing a variety of complaints or issues that someone has, often in a formal or serious context.
Example: "The employee presented an array of grievances regarding workplace conditions during the meeting."
Alternatives: "list of complaints" or "range of issues".
Mr. Tsvangirai laid out a broad array of grievances.
They came from across the country and across the activist spectrum, with a wide array of grievances.
Which means Pelosi is going to have to try to assuage a wide array of grievances from a growing number of House Democrats.
Although the governing party's victory in the elections here in the world's fourth-largest country is not in doubt, the elections have become the focus for an array of grievances born of wrenching social changes.
The mass protests thundering across Brazil have swept up an impassioned array of grievances — costly stadiums, corrupt politicians, high taxes and shoddy schools — and spread to more than 100 cities on Thursday night, the most yet, with increasing ferocity.
After getting an array of grievances off his chest — from real-world politics to awards-show politics — Mr. West ended the performance with a microphone drop, having played only three songs, leaving fans bitter and upset, according to reactions on social media.
It is rarely covered in the media because of restrictions and difficulties traveling there, but also because of a reticence about explaining the confounding array of actors and grievances attending a conflict in the poorest country in the Arab world.
Though often used for criminal enterprises — like a plot to steal money or to sell illegal drugs — conspiracy appeared to be a cloudier explanation for the occupation, which drew an array of people with grievances against Washington.
Thousands of demonstrators gathered peacefully near the stadium on Sunday afternoon in a first wave of protest, holding signs reflecting an array of political and social grievances.
For both, the thousands of isolated protests each year over an array of issues — including environmental grievances, land seizures and corruption — have the potential to become a national movement.
An array of economic and political grievances brought the protestors to the streets, but they were united in the charge that Mr. Morsi had failed to transcend his loyalty to the Muslim Brotherhood and reach effectively to other groups.
