The phrase "a challenge already" is correct and usable in written English.
It can be used to express that a challenge has arisen or been encountered sooner than expected.
Example: "I thought this project would be straightforward, but it has turned into a challenge already."
Alternatives: "a challenge at this point" or "a challenge so soon".
Indeed, preserving unanimity within the Northern Alliance may pose a challenge; already, the ethnic Hazaras and Uzbeks are chafing under the domination of the ethnic Tajiks.
They also need new skills and methods with which to improve the resilience of their cultivation systems in the face of climate change, a challenge already making it much more difficult for farmers in many communities to decide when to sow, cultivate or harvest their crops".
The advent of hs-cTn brings a definite improvement in diagnostic accuracy but at the expense of lower specificity, a challenge already encountered on a daily basis in the ICU with standard assays.
Abridge version based on Reference [ 8] The advent of hs-cTn brings a definite improvement in diagnostic accuracy but at the expense of lower specificity, a challenge already encountered on a daily basis in the ICU with standard assays.
In 2004, the first BioCreative challenge already designed a task of automatic GO concepts assignment from a full text.
Like any other new marketing agency, the constant struggle to retain clients is a challenge and already we have noticed some clients seem jittery when we broach the subject of marketing budgets for the next quarter.
The population of sub-Saharan Africa (SSA) is ageing rapidly with an associated increase in non-communicable diseases, such as dementia, presenting a challenge to already scarce healthcare and human resources.
AOL Time Warner Center has survived one challenge already.
It would seem, however, that we face a few challenges already.
Finally, reporting infections can become a challenge in an already overtaxed healthcare system with limited infrastructure.
Feeding babies born after AREDFV is a challenge: they are already under-nourished at birth, and good nutrition and growth is essential.
