むやみ無闇muyamiにni
1.
Acting without careful consideration or thought, resulting in hasty decisions or actions.
2.
Engaging in behavior or making choices that are unrestrained and lacking in caution, often leading to undesirable outcomes.
3.
Performing actions in a manner that is random or chaotic, without any deliberate intention or planning.
Example:
むやみに自殺を否定しようとは思いませんが、親が子どもを道連れにするのはぜったいにやめてほしい、と思います。