范文参考：

　　Certainly, every person has bad habits. Some people may be in the habit of speaking rudely; some tend to be deaf to others’ opinions; some are inclined to delay. However, there is no doubt that allowing to be controlled by bad habits does a great harm to personal development.

　　It is not too much to say that it is a destructive behavior to allow to be controlled by bad habits while it is constructive to change unwanted habits. If bad habits are allowed to be developed, they will get out of control and become big obstacles to life or career. For example, a delayed-prone person will hardly restrain himself from missing the deadline. Understandably, he will have few chances to be entrusted with important tasks and then will barely be professionally experienced enough to gain promotion. On the contrary, it is beneficial to change unwanted habits and acquire good ones, because good habits can make people more competent and thus widen the door to success.

　　In summary, bad habits will probably make it impossible for us to achieve our ambitions. Therefore, we should be alert to our bad habits and make persistent efforts to break them.

当然，每个人都有坏习惯。有些人可能有说不礼貌的习惯；有些人往往对别人的意见充耳不闻；有些人则倾向于拖延。然而，毫无疑问，被坏习惯所控制，对个人的发展有很大的危害。
不必说这是一种破坏性的行为，允许被坏习惯所控制，而改变不必要的习惯是有建设性的。如果坏习惯得以发展，他们将失去控制，成为生活和事业的大障碍。例如，一个容易拖延的人很难克制自己不错过最后期限。可以理解的是，他很少有机会被委以重任，几乎没有足够的专业经验来获得晋升。相反，有利于改变不必要的习惯，并获得良好的习惯，因为良好的习惯可以使人更有能力，从而扩大成功的大门。
总之，坏习惯可能会使我们无法实现我们的抱负。因此，我们应该警惕我们的坏习惯，并坚持不懈地打破它们。