专心

专心 [zhuān xīn]

1. ■ whole-hearted; attentive; be absorbed; concentrate one's attention:

专心学习 study with undivided attention;

课上专心听讲 listen attentively to the teacher in the class;

假如你不更加专心地工作， 你将被解雇。 If you don't concentrate more on your work you'll be dismissed.