(be) strict with / about

(be) strict with sb. 对某人严格

(be) strict about sb. 对某事严格

例如：

1. Mr. Lee is strict about his daughter's study.  李先生对他女儿的学习很严格。

2. The Smiths are strict with their son. 史密斯夫妇对他们的儿子很严格。

3. The Blacks are strict with their son about his study. 布莱克夫妇对他们的儿子在学习上很严格。