The phrase "a very tough issue" is correct and usable in written English.
It can be used when discussing a complex or challenging topic that requires careful consideration or deliberation.
Example: "The debate surrounding climate change is a very tough issue that policymakers must address with urgency."
Alternatives: "a highly challenging matter" or "a particularly difficult topic".
This is a very tough issue, because if you look at the extremes of it, then, obviously it has significant consequences – you can't restrain the market, you can't say that people can't make a living or a profit off of the Internet.
"And you're going to have half the parents thinking, 'I don't want my kids taught that.' It's a very tough issue".
"It's a very tough issue to deal with," said Steven Costner, deputy policy director at the State Department's Office of Weapons Removal and Abatement.
The decision of terminal care in the ICU is a very tough issue because the law, ethics, traditions and futility should be concerned involving the family's will.
During a 90-minute meeting with Iranian Foreign Minister Mohammad Javad Zarif Mr Kerry admitted that there was "a lot of hard work to do" and "very tough issues" to overcome.
There were tough points along the way, very tough issues along the way, because this is an issue that people feel strongly about". "What the president had as the bull's-eye was the outcome, and the outcome had to be security for people with insurance, a path to coverage for those without and overall cost control.
"Chinese new leaders realize that they have some very tough issues coming up that will require big expenditures," said Kenneth Lieberthal, a former Clinton administration National Security Council adviser on Asia who is now at the University of Michigan.
Women are a formidable force, and almost everywhere you turn, women have been leading marches on very tough issues.
"We support him diving headfirst into some very tough issues".
Mr. Netanyahu told Mr. Obama that "they were pressing up against very tough issues for Israel," the official said.
"There are some very tough issues here still," said Alden Meyer, director of strategy and policy at the Union of Concerned Scientists.
