The phrase "additional hardship" is correct and usable in written English.
It can be used when discussing extra difficulties or challenges that someone may face in a particular situation.
Example: "The recent economic downturn has caused additional hardship for many families struggling to make ends meet."
Alternatives: "extra difficulty" or "further burden".
Although I would like to claim toting a banjo around a huge muddy festival as an additional hardship, I can't.
"The coming winter will bring additional hardship to the most vulnerable Syrian refugees in Jordan so we are stepping up our humanitarian aid.
Mohga Kamal-Yann, Oxfam's senior health policy advisor, said: "Rapid action to tackle global emissions and help communities adapt is crucial to reduce the threats of ill-health, hunger and additional hardship.
"For the hundreds of thousands of refugees in Lebanon, as well as those in neighbouring countries and the displaced in Syria, a storm like this creates immense additional hardship and suffering," said Amin Awad of the UN refugee agency, UNHCR, in Lebanon.
The Scottish Trades Union Congress said the further significant cut in resource spend for Scotland would constrain economic recovery and lead to significant additional hardship.
Let families of potential terrorists understand that if their relatives have dodgy affiliations they will all be subjected to additional hardship.
War had devastated the countryside, however, and earthquakes and famine created additional hardships.
As well as coping with the experiences common to other young homeless people of finding shelter and support, young LGBT people faced additional hardships.
The Russian invasion and occupation caused additional hardships.
Instead of education or financial aid, the vulnerable protagonists receive stern lectures about their character failings, as additional hardships are piled on to test their fitness for relief.
Few men and women are willing to take on the additional hardships of dating someone bisexual when dating is hard enough as is.
