"working proficiency" is a correct and usable phrase in written English.
It is typically used to describe a person's level of skill or ability in a particular task or area of knowledge. Example: "The job posting requires a working proficiency in Microsoft Excel, but I have only a basic understanding of the program."
Thomas has promised me, as he's promised clients such as Grace Kelly, Barbra Streisand, Bob Dylan and François Truffaut, that he could impart a working proficiency in any of the 11 languages he speaks in just three days.
Participants will need to have a working proficiency in English as group discussions, accompanying texts and instructions will all be in English.
Linguists rated "three" are considered to have "professional working proficiency".
Student assessments -- exemplary, high-level mastery, meets the proficiency, working toward the proficiency, not meeting the proficiency -- are then submitted to the university with applications.
This suggests they either inflated their language ability to look better than they actually are, or their working English proficiency level is much lower than their passive understanding of the language.
He also spent a lot of time working on his proficiency in the sex-and-drugs side of rock 'n' roll.
Casually let it slip that you've been working on gaining proficiency in the latest technology in your field.
AIIC came into being expressly to define and maintain the standards of proficiency, the working conditions, and the ethics of the conference interpreter.
"Primarily my intention was to show not just his proficiency and working method, but also to show his status in the community," Mr. Garcia said on Wednesday morning at the gallery, now listed on the National Register of Historic Places, where he and Ms. Barbash were making the final selections for the exhibit.
Neither would his superpowers intimidate many: the ability to concentrate for long periods, a proficiency in working singles off his legs.
In working toward the 2014 proficiency deadline, when a school identifies students who fail to pass the grade level benchmark, they must receive additional remediation.
