Translate the following sentences into modern Chinese. (1) Learn silently and never tire of learning and never tire of teaching. ___________________________________(

(1) secretly remember that learning is not enough and teaching others is not tired.

(2) He can disappear completely, just like ordinary people.

(3) People in the same county were surprised at him.

(4) Choose their good things to learn and adopt.

(5) Several people walk together, among which there must be my teacher.