The phrase "almost proficient" is correct and usable in written English.
It can be used to describe someone who is close to being skilled or competent in a particular area but has not yet fully achieved proficiency.
Example: "After months of practice, she is almost proficient in playing the piano, but she still struggles with some complex pieces."
Alternatives: "nearly skilled" or "close to mastery".
"Thank you, friends!" Platitudes have not typically been among the strengths of this preternaturally wise band, which formed almost 30 years ago and quickly became one of the most proficient and influential outfits in American heavy metal.
The most proficient bird watchers are actually better bird listeners.
Boozing it up with some of New York's most proficient.
Three years later he made his debut with the Moscow Philharmonic; and by the time he obtained his PhD in 1948 he was recognised as one of the Soviet Union's most brilliant instrumentalists, almost as proficient on the piano as on the cello.
The meditators and tai chi practitioners were almost twice as proficient as those of the sedentary control group, and the aerobic exercisers were about halfway in between.
Nevertheless, in July 1894, when he was barely 25, he blossomed almost overnight into a proficient political campaigner.
Unlike Merrill, whose early poems were precociously (almost eerily) polished and proficient, Lowell was not a natural.
And in one part of her mind it was true: she saw the randy old man, the bump he made in the sheet, bedridden, almost beyond speech but proficient in sign language, indicating his desire, trying to nudge and finger her into complicity, into obliging stunts and intimacies.
And in one part of her mind it was true, she saw the randy old man, the bump he made in the sheet, bedridden indeed, almost beyond speech but proficient in sign language, indicating his desire, trying to nudge and finger her into complicity, into obliging stunts and intimacies.
As expected, serine and glycine biosynthesis were found to be potentially proficient in almost all phyla.
