1. Research shows that this could be mainly caused by improper use of backpacks. 研究表明,这可能主要是由于使用背包不当造成的。
2. What's considered typical or proper social conduct in one country may be regard as odd, improper or even rude in the other. 在一个国家中被认为是典型或适当的社会行为,在另一个国家中可能被视为古怪,不当甚至粗鲁的行为。
3. Disputes between parents, breakdown of a family and improper ways of education can lead to adolescents forming negative personalities and even committing an offence. 父母冲突、破碎家庭、教育方法不当以及家庭环境影响都会导致青少年形成不良个性,甚至走上犯罪的道路。
4. It would be improper to comment at this stage. 在这个阶段发表评论并不恰当。
5. Its image has been sullied by $9 billion in improper accounting. 其形象被90亿的假账所毁。