a person’s managerial ability will improve more as a general manager of a small company than as a department manager in a big one. he therefore chose to be the beak of a chicken than the rump of an ox. 在小公司裏當個總經理，比在大公司裏當部門經理更能鍛鍊人的管理才能，所以他“寧爲雞口，無爲牛後”。
doing sit-ups is an effective way to exercise abdominal muscles. 仰臥起坐是鍛鍊腹部肌肉的有效辦法。
early in the morning people may be seen doing exercise. martial arts (like chinese boxing) which formerly were cultivated for self-defense, now have become a form of physical exercise and are practiced in parks, streets, gardens, or on campuses. in addition young and old people are also often seen running in order to build up their bodies. 每天早上，都可看見很多人在運動。武術（像太極拳）以前都是用於防衛的，現在已經變成是一種強身健體的運動了。每天都可看見人們在公園、大街、花園或校園裏鍛鍊身體。還有，經常看見不論老人還是青年都在跑步，他們也是爲了強身健體。
elderly people are worn with age, so it is even more important for them to take part in exercise. 老年人年老體衰更應該參加一些適當的體育鍛煉。 he goes for a long-distance run every day at a specific time. 他每天都定時進行長跑鍛鍊。
he keeps exercising all year around, even in the hottest days in summer and the coldest days in winter. 他常年堅持鍛鍊，冬練三九，夏練三伏。
in morning, there are a lot of old men doing exercise in the park. 早上在公園鍛鍊的老頭兒特別的多。
i’ve just learned how to exercise with clubs. 我新學了一套棒操鍛鍊身體。 my grandfather exercises with his healthcare balls every day. 我爺爺每天都拿着保健球鍛鍊。
no matter how cold it gets, we must all stick to our exercise routine. 不管天氣多麼寒冷，我們都要堅持鍛鍊。
people are toughened by difficult experiences. 艱苦的環境鍛鍊人的意志。
regular physical exercises can strengthen one’s resistance against illness. 經常鍛鍊身體，能夠提高人體的抵抗力。
she fixed the exercise time for saturday afternoons. 她把鍛鍊的時間固定在星期六下午。
she was very busy at work, but she managed to stick to her exercise regime. 工作很忙，但是她還堅持鍛鍊。
thanks to his persistent physical exercise, he looks healthy, with white hair and a ruddy complexion. 由於長期堅持體育鍛煉，他看起來鶴髮童顏。
the army is a place where people can build their character. 部隊是一個鍛鍊意志的大熔爐。
the child has a weak constitution and is struck ill from time to time. lack of exercise is part of the reason. 這孩子從小就體弱多病，這都是缺乏體育鍛煉造成的。
the sportsmen are exercising to improve the strength of the muscles on their legs. 運動員們正在鍛鍊，以便加強腿部肌肉的力量。
we should keep on developing our ability to think logically and exercise speculative thinking. 我們要不斷地培養自己的思辨能力、鍛鍊思辨性思維。
we should take exercise to build up resistance to disease. 我們應該堅持鍛鍊以增強對疾病的抵抗力。
you should exercise more, you’ve already out of breath after completing such a small task. 你應該多鍛鍊鍛鍊了，才幹了這麼點力氣活就抽氣得不行。