固执的,犟的,难驾驭的
The hardheaded boy refused to listen to his parents' advice.
那个犟男孩不肯听父母的忠告。
Anybody that hardheaded is going to have trouble with everybody.
脾气那么倔的人跟谁都会起矛盾。
讲究实际的,直截了当的
You have to be hardheaded in analyzing the present situation.
你在分析当前形势时必须实事求是。