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1·Their interest in America heartens me;

他们对美国的兴趣让我倍受鼓舞。

2·Toby's confidence heartens his friend .

托比的自信使他的朋友精神大振。

3·The fact they are gregarious and positive heartens you to be the same.

事实上他们是爱交际的人并且会积极鼓励你变成和他们一样。

4·The Vancouver Winter Olympics in 2010 saw the coronation of Chinese short-track speed skating projects, which is the breakthrough that prides the people and heartens the nation.

今年温哥华冬奥会短道速滑项目的加冕突破，使得国人自豪、全民振奋。