supposedly ·adverb
Definition: used to show that you do not believe that something you have been told is true Level: C1
嗯，据说票已经在邮寄途中了。
Well, the tickets are ___supposedly in the mail.
新娘出发去杀比尔的第一个刺客，据说是世界上用刀最危险的人，但我不太相信。
"The Bride" sets out to kill the first of Bill's assassins, ___supposedly the most dangerous person in the world in terms of knives.
他据说是这个领域的专家，但他的回答很模糊。
He is ___supposedly an expert in this field, but his answers were vague.