careful是什么词性

careful是形容词词性。

He was always careful to toe the party line .他一直很服从党的命令。

Be particularly careful when driving at night .晚上开车要特别小心。

She buys many things by careful spending .她用很少的钱能买很多东西。

We must make a careful study of the matter ...这个问题很值得考究。

Be careful to avoid being subjective and one-sided .

careful是一个形容词。意思是小心的，谨慎的，认真的，仔细的。它对应的动词或者是名词是care，carefulness.

carefully是它的副词形式。