很少有人能想到马戏团演员为了编排节目而付出的努力和艰辛。
Few people think about all efforts and hard work put by circus actors to create a performance.
自律，又常称意志力，是在实现目标的艰辛路途上不可或缺的品质，其他还需要的品质有努力，决心和毅力。
Self-discipline, or what is more commonly called willpower, is an important component in the traits that are required to achieve long term goals such as hard work, determination, and perseverance.
两代人的艰辛努力和流血牺牲，只见到国家进一步跌入羸弱，内外战争和民众难于承受的痛苦的深渊。
Two generations toiled and bled only to see their country fall deeper into the abyss of national weakness, civil and foreign wars, and the unbearable sufferings of its people.
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