恒心: perseverance; constancy of purpose; persistence 短语和例子有恒心的人 a person of perseverance; 有恒心就能胜利。 perseverance leads to success
坚定: 1.(稳定坚强) firm; staunch; steadfast 短语和例子坚定的步伐 firm strides; 坚定的立场 a firm stand; 坚定正确的政治方向 firm and correct political orientation; 坚定的意志 constancy of purpose; 他是个聪明而又意志坚定的人。 he was a man of