A roustabout is a worker hired for hard, simple jobs — lifting, carrying, fetching — not for a skilled trade.

A roustabout一個roustabout is a worker hired for hard, simple jobs是被雇來做粗重、簡單工作的工人 lifting, carrying, fetching像搬東西、扛東西、跑腿 not for a skilled trade而不是做有技術的行業

The word turns up with ports and docks, with oilfields, and with circuses (the people who put up tents and move heavy gear).

The word這個字 turns up with ports and docks, with oilfields, and with circuses常出現在港口碼頭、油田，還有馬戲團 (the people who put up tents and move heavy gear)（那些搭帳篷、搬重型器材的人）

It is mainly American workplace English and sounds a little old. A student in Taiwan would more often say labourer, or just name the job.

It is mainly American workplace English它主要是美式職場用語 and sounds a little old而且聽起來有點老派 A student in Taiwan台灣的學生 would more often say labourer比較常會說labourer or just name the job或直接說出那份工作的名稱

Older dictionary lines say 'a man' because that is how the word grew up; the work is not only for men now, but the word still carries that older, rough-job flavour.

Older dictionary lines say 'a man'比較舊的字典解釋會說「a man」 because that is how the word grew up因為這個字當初就是這樣長出來的 the work is not only for men now這種工作現在不只男性在做 but the word still carries that older, rough-job flavour但這個字仍然帶著那種老派、粗活的味道

It is a job title, not an insult by itself, though it can sound blunt.

It is a job title它是一個職稱 not an insult by itself本身不是罵人的話 though it can sound blunt雖然聽起來可能有點直白