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
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
5、put one’s mind in：用心做某事put one’s mind insth.put one’s mind indoing sth.
