If you describe something as lavish, you mean that it is very elaborate and impressive and a lot of money has been spent on it. 盛大奢华的
adjective [原级] 奢侈的，盛大的；慷慨的，大方的
He staged the most lavish productions of Mozart. 他举办了最盛大的莫扎特作品演奏会。
verb [vt. 及物动词] 慷慨（或过度）给予
He lavished praise on his opponents. 他对他的对手大加赞赏。
