People tend to work hard at this stage of life.
人在這個人生階段往往發奮努力。
Her job is hard work, but the pay is good.
她工作雖辛苦，但薪水不低。
When I left they were all still hard at it.
我離開的時候他們都還在努力工作。
You think you're really hard, don't you?
你是不是以為自己真的很勇猛？
Come and get me if you think you're hard enough.
你要是覺得自己有種，就沖著我來吧。