糊涂 can describe a temporary state of confusion or a person who is generally muddle-headed. 难得糊涂 (nándé hútu) is a famous saying meaning 'it's hard to be carefree.'
mistakes
Don't confuse 糊涂 with 迷糊 (míhu). 糊涂 emphasizes poor judgment, while 迷糊 emphasizes being dazed or groggy.