The difference between 神奇 and 神秘
The adjective 神奇
神奇 
is used to emphasize something that is surprising and/or exceeds people’s expectations.
is used to emphasize something that is surprising and/or exceeds people’s expectations.Examples
这种药简直太神奇了
This medication is amazing
zhè zhǒng yào jiǎnzhí tài shénqí le
他突然神奇地出现了
He miraculously appeared suddenly
tā tūrán shénqí de chūxiàn le
信任是维系我们相互关系的神奇力量
Trust is the magic power that holds us together
xìnrèn shì wéixì wǒmen xiānghù guānxì de shénqí lìliang
The adjective 神秘
神秘 emphasizes the existence of a mystery and indicates something that people find difficult to understand.
emphasizes the existence of a mystery and indicates something that people find difficult to understand.Examples
几条信息已经神秘地消失了
Several messages mysteriously disappeared
jǐ tiáo xìnxī yǐjīng shénmì de xiāoshī le
这出戏说的是一桩神秘的凶杀案
This performance is about a mysterious murder
zhè chū xì shuō de shì yì zhuāng shénmì de xiōngshā’àn
会议笼罩着神秘的气氛
The meeting was shrouded in mystery
huìyì lóngzhào zhe shénmì de qìfēn