不是系动词，advise是动词词性，意思是建议、劝告，例如：
1、I'；m not in the best position to advise you.我并不十分适合给你提建议。
2、Dentists advise you to have your teeth checked every six months.牙医建议大家每六个月检查一次牙齿。
3、You would be well advised to tackle this problem urgently.你还是抓紧处理这个问题为好。