care的形容词形式和副词形式
care的副词形式为carefully，意为小心地。
例句
Careful on those stairs!
小心那些楼梯！
He folded the paper carefully.
他小心地把那张纸折起来。
He carefully inspected his hand.
他仔细检查手中的牌。
He carefully modulated his voice.
他仔细地调节了自己的声音。
She put the glass down carefully.
她小心翼翼地放下玻璃杯。
Be careful of the nettles—they sting!
小心给荨麻扎着—荨麻有刺！
These proposals deserve careful study.
这些建议值得认真研究。
I said you\'d have to be extra careful.
我说过你必须格外小心。