"He drew an elaborate plan of attack"
"Discreet Italian police described it in a manner typically continental"
"draw a line" "trace the outline of a figure in the sand"
误 I want to describe you some of the difficulties.
正 I want to describe to you some of the difficulties.
正 I want to describe some of the difficulties to you.
析describe不可用于describe sb sth 结构, sb 由介词to引出。