1 [I] apply (to sb) (for sth) to ask for sth in writing （以书面）申请: I've applied to that company for a job. 我已经向那家公司申请工作。She's applying for a place at university. 她正在申请上大学。

2 [I] apply (to sb/sth) to concern or involve sb/sth 关于；适用于: This information applies to all children born after 1997. 这个消息关乎所有1997年以后出世的孩子。

3 [T] apply sth (to sth) to make practical use of sth 应用: new technology which can be applied to solving problems in industry 可用来解决工业难题的新技术

4 [T] (usually passive 通常用于被动语态) to use a word, a name, etc to describe sb/sth 称；称呼: I don't think the term ‘music’ can be applied to that awful noise. 我认为那种难听的噪音不能称为“音乐”。

5 [T] apply sth (to sth) to put or spread sth onto sth 敷；涂: Apply the cream to the infected area twice a day. 将软膏涂在受感染的地方，每日两次。

6 [T] apply yourself/sth (to sth/doing sth) to make yourself give all your attention to sth 集中精力；专注: to apply your mind to sth 专心致力于某事