A sailor who serves on a submarine — someone whose job is living and working underwater for weeks or months at a time. It names the person, never the boat; the boat is a submarine.

A sailor who serves on a submarine一個在潛艦上服役的水兵 — someone whose job is living and working underwater for weeks or months at a time也就是一連好幾個星期甚至好幾個月，在水下生活和工作的人。It names the person, never the boat它指的是人，絕不是指船本身; the boat is a submarine船才叫submarine（潛艦）。

The word carries some respect in navy talk, because the life is famously hard: no daylight, tight space, long stretches with no news from home.

The word carries some respect in navy talk這個字在海軍用語裡帶著一點敬意, because the life is famously hard因為這種生活是出了名的辛苦： no daylight見不到陽光, tight space空間狹小, long stretches with no news from home還要長時間沒有家裡的消息。

You will hear it in war films, documentaries, and news reports about naval accidents.

You will hear it in war films, documentaries, and news reports about naval accidents你會在戰爭片、紀錄片，還有海軍意外的新聞報導裡聽到這個字。

Stress is worth noting: British speakers usually say sub-MAR-in-er, while Americans often say SUB-marine-er, keeping the shape of 'submarine'. Both are understood.

Stress is worth noting重音值得注意一下： British speakers usually say sub-MAR-in-er英國人通常唸sub-MAR-in-er, while Americans often say SUB-marine-er而美國人常唸SUB-marine-er, keeping the shape of 'submarine'保留了'submarine'原本的形狀。Both are understood兩種唸法都聽得懂。

Outside naval contexts the word is rare, and it does not mean 'a diver' — a diver goes into the water; a submariner stays dry inside a vessel that goes into the water.

Outside naval contexts在海軍以外的場合 the word is rare這個字很少見, and it does not mean 'a diver'而且它不是指diver（潛水員） — a diver goes into the water diver是自己下水的人; a submariner stays dry inside a vessel that goes into the water而submariner是待在會下水的船裡面，自己保持乾燥的人。