be proficient

Flight safety is dependent on pilots maintaining currency on an aircraft — meaning that they are flying regularly enough to be proficient in all types of flying, such as night missions, close formation flying and refueling.

He felt that the only chance to be proficient elsewhere was to make a bold change.

The researchers underscore that forensic science needs to be proficient in not just incriminating the guilty but also in freeing the innocent from suspicion.

Those educational opportunities are critical for future doctors to be proficient in treating women, she said.

Only 22% were found to be proficient in civics.