adj.考虑不周的,未经考虑的;
v.改变想法,不想( unthink的现在分词 );
例句:
Unthinking, he threw his lighted match into the waste-paper basket.
他想也没想就把燃着的火柴扔进了废纸篓里了.
She was quite mechanical and unthinking in the way she ironed the shirts.
她熨衬衣时样子呆板,不动脑筋.
He doesn't say those silly things that unthinking people say.
他从不说不顾后果的人说的那种傻话.