为家庭（父母，老师等）增光
to cause someone who has been or is responsible for you to receive praise by your good behaviour or successful actions
She does her teachers credit. 她给她的老师们增了光。
There is very little in that story that does me credit.
The way these soldiers conducted themselves does the army credit.
His frankness in discussing these difficult topics does him only credit.
They were very well-mannered children, who did their parents credit.
See also: credit noun (PRAISE)