A hard-working person puts a lot of effort into their job or studies. They keep going.

A hard-working person一個 hard-working 的人 into their job or studies會在工作或學業裡 puts a lot of effort投入很多心力。 They他們 keep going會一直做下去。

Teachers, parents, and job adverts use this word as praise. It describes the person, not the job: the work may be easy or difficult; the point is they do not sit still.

Teachers, parents, and job adverts老師、家長和徵人廣告 use用 this word這個字 as praise來當作稱讚。 It它 describes描述的是 the person人 not不是 the job工作： the work工作本身 may be easy or difficult可能簡單也可能困難； the point is重點是 they他們 do not sit still不會閒著不動。

In British English it is often written with a hyphen, especially before a noun: a hard-working student. You can also say someone works hard — that is the verb. Hard-working is the adjective.

In British English在英式英文裡 it它 is often written常寫成 with a hyphen帶連字號 especially尤其是 before a noun在名詞前面： a hard-working student一個用功的學生。 You你 can also say也可以說 someone某人 works hard works hard — that那 is the verb是動詞。 Hard-working Hard-working is the adjective是形容詞。

Though actually, in very relaxed writing some people drop the hyphen (hard working); in careful school writing, keep it when the words sit before a noun. It is not the same as hard work, which means the task itself is heavy.

Though actually不過其實 in very relaxed writing在很隨性的書寫裡 some people有些人 drop會拿掉 the hyphen連字號 (hard working)； in careful school writing在謹慎的學校寫作裡 when the words sit before a noun當這兩個字放在名詞前面時 keep it請保留連字號。 It它 as hard work跟 hard work is not the same不一樣 which means那個意思是 the task itself工作本身 is heavy很吃重。