我父亲三十多岁就开始秃顶了。

My father started ___going ___bald in his thirties.

他试图用帽子遮住他的秃斑。

He tried to cover his ___bald spot with a hat.

那个秃头的男人在人群中很容易被认出。

The ___bald man was easily recognized in the crowd.