You can say 'wow' when you are very impressed, surprised, or pleased.
例句
I thought, 'Wow, what a good idea'.我想:“哇,多好的主意呀。”
VERB
使叫绝;博得…的称赞
You say that someone wows people when they give an impressive performance and fill people with enthusiasm and admiration.
例句
Ben Tankard wowed the crowd with his jazz.本·坦卡德的爵士乐使众人为之叫绝。
英汉词典释义
interj.
(表示惊讶、羡慕等)<非正>哇;(表示极大的惊奇或钦佩)呀
Wow!That’s totally awesome!哇!真是棒极了!Wow!Come and feast your eyes on this birthday cake!哇!快来欣赏一下这个生日蛋糕!Wow!This scenery really knocks me out.哇!这儿的景色简直把我迷住了。