Keeping is harder than winning.; To start a business is difficult, but to keep it going is more difficult.

创业难守业更难。

《新英汉大辞典》

So sticking with foods that may help keep the high blood pressure medicine and heart disease at bay is likely going to be much harder for some than others.

因此，通过坚持吃特定食物来帮助避免患上高血压和心脏病对一些人来说可能比其他人要困难得多。

youdao

I'm going to try harder to be nice to people and try to keep the true spirit of Christmas in my heart.

的确，过圣诞节并不只是吃吃喝喝，互赠礼物，最重要的就是把圣诞节的精神流传下去。

youdao

And if the costs of health care and education and energy keep going up, it's even harder to save.

CNN: Clinton's October 9, 2007 speech on retirement security