She is training hard
刻苦───hard;训练───train
Hard work never hurt anyone.───努力工作绝无害处。
It's pretty hard to explain.───这事很难解释清楚。
That's a very hard question.───那是个很难的问题。
Just a few years ago, it would be hard to imagine these people even knowing each other, let alone engaging in a deep collaborative process.───就在几年以前，还很难想象这些官员能够相互认识，更不要说进行深入的合作了。
A sudden fall in sales will leave them without cash at a time when bank overdrafts are hard to secure or to increase.───销售的突然下降将让他们没有现金，同时银行透支额也很难保证或增加。
Keep calm at least When you had fallen to the bottom of your life, every people around you would tell you: Be hard-bitten and be happy!───在你跌入人生谷底的时候，你身旁所有的人都告诉你：要坚强，而且要快乐。
Love makes all hard hearts gentle.
Hard work never did anyone any harm.
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She attributed her success to hard work.
If u practice hard, u'll get a gold medal.