banquet 指正式而盛大的宴会或国宴。
feast 指筵席酒席，有时可与banquet换用，但前者强调共享欢乐的气氛。
dinner 普通用词，含义广。本义指一日的主餐，但多用于指宴请客人的正式的一餐。
party 指一般的社交聚会，也引申指宴请或宴会。
参考例句
1. The poor starve while the rich feast. 穷人挨饿，而富人在大吃大喝。
2. To any sensual feast with thee alone. 你的个人的任何感官的盛宴。
3. Some time later, Jesus went up to Jerusalem for a feast of the Jews. 这事以后，到了犹太的一个节期。耶稣就上耶路撒冷去。
英英解释
n.
1. a ceremonial dinner party for many people
2. something experienced with great delight
3. a meal that is well prepared and greatly enjoyed
4. an elaborate party (often outdoors) v.
1. partake in a feast or banquet
2. provide a feast or banquet for
3. gratify
