misguided

1. ADJ If you describe an opinion or plan as misguided, you are critical of it because you think it is based on an incorrect idea. You can also describe people as misguided. (观点或计划) 以错误观念为指导的; (人) 误入歧途的[表不满]

In a misguided attempt to be funny, he manages only offensiveness. 他试图使自己很风趣，可弄巧成拙地冒犯了别人。