concern our in

• vt. 忙于(关心)

concern our in的用法和样例：

例句

用作及物动词 (vt.)

1. He was employed in watering the garden.
   他忙于给花园里的花木浇水。
2. My uncle is occupied in building his own house.
   我叔叔在忙于建他自己的房子。