1. He advanced with precaution, taking care not to knock against the furniture. 他朝前走，谨慎小心，唯恐撞了家具。
2. Ronaldo: 'Ronaldo picked up a knock against Sampdoria and has not been able to train well. 罗纳尔多：罗纳尔多在对桑普多利亚的比赛中经历了一次严重的碰撞，训练也没有好好进行。
3. In the process of transportation, to prevent knock against and violent vibration, to prevent rain water. 运输过程中，要防止磕碰和剧烈震动，要防止雨淋水浸。
4. In the process of handling, the workers will surely items carefully knock against, are at the disposal of consumers. 在搬运的过程中，工人肯定会小心物品的磕碰，随时听候消费者的调遣。
5. The most do in order to better growth, growth for real growth, knock against a person without hard work, how can grow. 多半的做为了更好的成长，成长的磕碰为真正的成长，一个人如果没有努力怎么可能成长了。
