indistinct

1. ADJ Something that is indistinct is unclear and difficult to see, hear, or recognize. 不清楚的[ADV after v]

The lettering is fuzzy and indistinct. 书写的文字模糊难认。

2. indistinctlyADV

Teddy mumbled indistinctly. 泰迪含混不清地咕哝着。