She's old enough to make her own decisions?这里to什么意思,还有此句话中有词

She's old enough to make her own decisions?
意思是：她长得足够大了,可以自己做决定了.
首先你要明白to后面不定式的意思就要进行句子成分分析.
She's old enough为主干.she主语,is系动词,old enough表语
后面的不定式短语作目的状语.
to make her own decisions为自己做决定的意思.
to可翻译成为了；
回答完毕,你看可以不,可以的话,请选为满意答案.希望对你有所帮助,请指出!