1、concerntrate on：意思是集中精力于①concentrate on sth②concentrat髫潋啜缅e on doing sth③concentrate one's effort on sth/doing sth
2、focus on：集中做某事focus your …… on sth.focus one's ……on sth.
3、be/get absorbed in：be + adj.系表结构，意思是专心致志于某事be/get absorbed in doing sth
4、pay one’s attention to：集中做某事，这里的to是介词pay one’s attention to sth.pay one’s attention to doing sth.
5、put one’s mind in：用心做某事put one’s mind insth.put one’s mind indoing sth.
6、这几个短语的意思和用法都相差不大，需要注意的是词的其他搭配及用法不要搞混掉。
