The phrase "a serious strain" is correct and usable in written English.
It can be used to describe a significant level of stress or pressure experienced in a situation, often related to physical, emotional, or mental challenges.
Example: "The constant demands of the job have put a serious strain on her health."
Alternatives: "a significant burden" or "a heavy toll".
The influx has put a serious strain on services, particularly housing.
Yet, like Mozart's great comedies, "Giasone" has a serious strain, which deepens as the work goes on.
It opened with Shostakovich's slightly eccentric Symphony No. 6, written in 1939, after a serious strain in the composer's relations with the Soviet regime.
The failure to deliver substantial changes to the bulk of the population is putting a serious strain on the ANC's alliance partners in the trade union movement and the South African Communist party.
After the earthquake, more than 600,000 returned to the countryside, according to the government, putting a serious strain on desperately poor communities that have received little emergency assistance.
Of course, every child born, even to the most mentally and financially stable parents, puts a serious strain on common resources – like the land that fills up with 18 billion disposable diapers that are thrown away every year, and will remain in landfills 300 years from now.
Putin dismissed the cost of the Russian military campaign in Syria, which "does not involve any serious strain on the budget," he said, adding that the funds "earmarked for military training and exercises" were "retargeted" to the operation in Syria.
For the following seven years in Chicago, we were always aware of what was happening in each other's lives and I never felt any serious strain.
Most accounts say that Lincoln had varioloid, the milder form of smallpox, but recent research suggests that he actually had a more serious strain and that his life was in very real danger.
The type of Christianity that underlies his writings is a very serious strain of Lutheran pietism informed by the dour values of sin, guilt, suffering, and individual responsibility.
While this has allowed many to breathe a sigh of relief, it's placing serious strain on the organizations responsible for bringing refugees to America and helping them resettle.
