up to speed ( synonym found)
Definition of up to speed:

°Fully informed; current.
"Is Mary up to speed on the situation in KL."
°Fully informed; current.
"It may take the new hires a week or two to be brought up to speed on the system."
Definition of up to speed:

°Fully informed; current.
"Is Mary up to speed on the situation in KL."
°Fully informed; current.
"It may take the new hires a week or two to be brought up to speed on the system."
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