if any: 若有的话
Examples:
1. We'll let you know if any vacancies come up.
一有空缺我们就通知你.
2. If any oil gets on the 和仔car tyres, it will perish them.
唤拍汪 汽车胎沾上油就会毁坏.
3. Please correct my mistakes if any(=if there is any mistake).如果有的话,请改正我的错误。
if ever: conj. 如果有过的话(如果发生过的话)
Examples:
1. That was a fine meal if ever there was one!
那确实是一顿丰盛的饭。
2. She seldom, if ever, goes to the cinema.
她难得看电影.
3. The island is seldom, if ever, visited by ships.
这个岛难得有船停靠.(=if the 贺册island has ever been visited by ships)
4. He is a great musician if ever there was one.
如果曾经有过伟大的音乐家,那他就是一个。