2 sentences

1. 他迷迷糊糊地签了那份合同，现在后悔了。

   tā mí​mí​hū​hū de qiān le nà fèn hé​tong, xiàn​zài hòu​huǐ le.

   He signed that contract while in a daze, and now he regrets it.

   Source: Dong Chinese Dictionary

2. 他在感冒药的作用下，整天都觉得脑子迷迷糊糊的。

   tā zài gǎn​mào​yào de zuò​yòng xià, zhěng​tiān dōu jué​de nǎo​zi mí​mí​hū​hū de.

   Under the influence of the cold medicine, he felt groggy all day long.

   Source: Dong Chinese Dictionary