のせいで

expression

because of; owing to; due to

Expresses that something negative happened because of someone or something; often carries a nuance of blame or regret. Follows a noun or a verb/adjective in attributive form.

See also: せい

• 雨あめのせいで試し合あいが中ちゅう止しになった。

  The game was canceled because of the rain.

• 寝ね坊ぼうしたせいで電でん