The phrase "a clear level" is correct and usable in written English.
It can be used when describing a specific degree of clarity or understanding in a particular context, such as communication, performance, or measurement.
Example: "The project requires a clear level of communication among team members to ensure success."
Alternatives: "a distinct level" or "a precise level".
"It's a little tough," she said in a clear, level voice.
It shows to me a clear level of dedication and attention to detail through the work that she has put into this novel.
They are able to provide you with a clear level of information for you to make the right decision at the right time.
But unlike blood-alcohol level, which is directly correlated with one's inability to drive, THC-blood levels don't necessarily indicate a clear level of impairment.
Of these patients two (5%) presented a low and eight (21%) presented a clear level of weakness compared to the uninjured hand.
Normal F9 fibroblasts co-expressing both apoptin and shRNA directed against B56 γ mRNA manifested a clear level of phosphorylated apoptin in comparison with the cells transfected with apoptin and the RNAi control vector.
It's a clear, level-headed history of the mass hysteria that affected the 17 nuns of an Ursuline convent in 1634.
How are we to ever better ourselves and our society when topics arise and, instead of presenting our point of view in a clear, level-headed way, when instead of trying to see the other side, we erupt and lash out?
Many regard the NHIS as additional funding, but the reality is that its growth has coincided with a clear levelling off (i.e. reduction in real terms) of the core government subsidy to health.
Whilst it is clearly disappointing to reduce estimates, the slowdown in Central London has been particularly sharp (with transaction volumes declining from around 82% of normal market volumes in the second half of 2013 to around 60-65% at present) and it is uncertain as to when the market recovers and price expectations move to a clearing level (it could be post election?).
A fundamental requirement in this class of patients is a relatively clear level of consciousness for neurological evaluation.
