experience

1)n．[U](the gaining of)knowledge or skill which comes from practice rather than from books

e．g．Mr Li is an old teacher with nearly 20 years' ________．

2)n．[C]something that happens to one and has an effect on the mind and feelings

e．g．He will never forget his ________ in Africa and Europe．

3)v．to feel, suffer, or know, as an experience

e．g．I hope you ________ the joy and success after you finish the hard work．

4)adj．experienced

e．g．As an ORBIS doctor, he is very ________ in operating on many patients in one day．