運うん転てん士し

う

ん

て

ん

し

Meanings

1

Refers to a professional driver or operator of a taxi, train, tram, or similar vehicle. Not used for casual driving.

て

もらっ

た

。

The taxi driver gave me directions.

電でん車しゃの運うん転てん士しになるには厳きびしい訓くん練れんが必ひつ要ようだ。

Becoming a train operator requires rigorous training.

2

Nautical term for a ship's officer or mate. Compare with 航海士, which is more common for a navigating officer.

〈人ひと〉が運うん転てん士しになるfor someone to become a driver/operator
兄あには電でん車しゃの運うん転てん士しになった。
My older brother became a train driver.
運うん転てん士しとして働はたらくto work as a driver/operator
彼かれは十じゅう年ねん間かん、地ち下か鉄てつの運うん転てん士しとして働はたらいている。
He has worked as a subway driver for ten years.
運うん転てん士しを目め指ざすto aim to become a driver/operator
彼かの女じょは将しょう来らい、新しん幹かん線せんの運うん転てん士しを目め指ざしている。
She aspires to become a bullet train driver in the future.

運うん転てん手しゅN5sense 1
運転手 is the everyday word for a professional driver (taxi, bus, truck), while 運転士 sounds more formal or technical and is typically used for train and tram operators.
航こう海かい士し sense 2
航海士 is the standard term for a ship's navigating officer, while 運転士 is a broader, less common word for a ship's mate or officer in general.

機き関かん士し sense 1
機関士 specifically means an engineer who operates and maintains a train's engine or a ship's machinery, whereas 運転士 focuses on actually driving or steering the vehicle.
車しゃ掌しょうN3
運転士 is the person who actually drives the train, whereas 車掌 handles passenger service, announcements, and ticket checks.

Compound of 運転 (operation, driving) and 士 (professional, specialist). The suffix 士 indicates a licensed or qualified person.