work hard at

常見例句

You could work hard at something without getting far at all.
你完全有可能努力工作卻一事無成。
For people who work hard at this company, the sky's the limit.
在這家公司努力工作的人會前途無量。
"The best way to build confidence in a given area is to invest energy in it and work hard at it, " says Schwartz.
“建立自信的最好方式是在一個方麪投入精力，然後努力工作?！?施瓦澤說。

Many students work hard at summer jobs.
I mean, they have no idea how hard we work, and look at this gigantic split infinitive, to dramatically help.
他們不知道我們有多麼努力地工作，注意到這之間的巨大鴻溝，會有很大的幫助。
麻省理工公開課 - 固態(tài)化學導論課程節(jié)選
And so, just a lot of hard work and a lot of time at the golf course in the summer.
所以，夏天時，一直努力練習，在高爾夫球場花了不少時間。
高爾夫俱樂部的廻憶 - SpeakingMax英語口語達人

On the other hand, I take no medications, I work hard at eating a healthy diet and avoiding excess.
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Immigrants tend to inject into stale, ageing countries fresh vitality, fresh energy and an uncommon willingness to work hard at unappealing jobs.
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There are so few good funds out there because there is no incentive for funds to work hard at putting together quality portfolios.
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