adj.柔韧的；灵活的；易弯曲的；可变通的

This tube is flexible but tough. 这管子柔软但很坚固。

We need a foreign policy that is more flexible. 我们需要一个更为灵活的外交政策。

People use Java because it is flexible and runs on multiple platforms. 人们使用Java是因为它的灵活性及在多种平台上可以运行。

Leather and rubber are flexible, glass and iron are not. 皮革和橡胶都是易弯曲的，玻璃和铁则不然。

It makes people feel more agile, more flexible, and their hearts get stronger. 它使人感到更加敏捷,更加灵活,并且他们的心脏得到更强。

使用flexible时要注意其修饰的主语对象是谁，例子如下面错句。