曾在办公室或是教室弹射橡皮筋的人都知道，那种一张一弛的感觉其乐无穷。

ANYONE who has fired a rubber band across the office or classroom will know the joy of storing and releasing kinetic energy.

禅宗是主张坐禅的，而少林却将武术化进了禅的境界，一张一弛，文武独步天下！

Zen meditation are advocated, and the Shaolin martial arts, however, and into the realm of Zen, a Yichi, Wenwu anywhere the world!

这个动作的窍门是，屈伸的动作应当做得缓慢些，让肌肉一张一弛，长此下去，才能达到健美的效果。

The trick of this action is flexion and extension movements should be done more slowly, so that the muscles an a relaxation, the long run, to achieve fitness results.

甄子丹和孙俪漂亮地完成了金牌配角的任务，两人一张一弛的表演为压抑的气氛增加了许多亮色。

Sun Li and Donnie Yen beautiful completed the task of supporting the gold medal, two performances of a relaxation of a depressed atmosphere for the increase in a number of Light.