to get information or advice from a person, book, etc. with special knowledge on a particular subject

If the symptoms get worse, consult your doctor. 如果症状恶化就要去就医。

I'm not quite sure how to get there - I'd better consult a map. 我不是很清楚怎么去那儿——我最好查查地图。

to discuss something with someone before you make a decision

Why didn't you consult me about this? 你怎么没跟我商量这件事？

This afternoon the president was consulting with his advisers. 今天下午总统在征求顾问们的意见。