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Discover LudwigThe phrase "are sometimes challenging" is correct and usable in written English.
It can be used to describe situations, tasks, or experiences that may not always be easy and can vary in difficulty.
Example: "Learning a new language can be rewarding, but it are sometimes challenging to grasp the grammar rules."
Alternatives: "can be difficult at times" or "may pose challenges occasionally."
Exact(7)
"The recommendations are sometimes challenging to implement," Mr. Bass said.
The findings confirmed that family-staff relationships are sometimes challenging in assisted living, similar to nursing homes, and that an intervention can improve these relationships.
"There are sometimes challenging issues over divisive community politics, but this is no excuse for failing to enforce British law and protect the integrity of our democratic process.
The thoughts conveyed by those responding to your question of the week are sometimes challenging.
Below we consider why studies using different techniques and on different levels of hierarchical organization give results that are sometimes challenging to reconcile with each other (see also [ 158]).
While social media sites are sometimes challenging for marketers to navigate because their features and algorithms can change unpredictably, advertisers are drawn to the scale and consistent engagement across Facebook's roughly 2-billion person user base.
Similar(53)
Men are sometimes challenged by the word "straight," which has sexual overtones.
His findings are sometimes challenged, but not his insistence on all the variables that can arise.
Critics of the N.C.A.A. — including Nocera, a New York Times columnist who has often written about the organization, and Strauss, a Times contributing writer — are sometimes challenged to say what they would do differently.
The guidelines could also up the ante for the coming election season, when Catholic candidates who support abortion rights or gay rights are sometimes challenged by conservatives over whether they should receive Communion.
However, the alerts are sometimes challenged by the scientific community [ 17, 26– 29], numerous alerts can be required to trigger an effect [ 30], and too often they have little to no impact on prescribing patterns [ 17, 28, 31– 31].
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com