せいで

(Sei de)

Attributes a negative outcome to a specific cause or reason.

Connection rules

昨夜さくや飲のみすぎたせいで、今日きょうは頭あたまが痛い。

Sakuya nomi sugi ta sei de, kyou ha atama ga itai.

Because I drank too much last night, I have a headache today.

「A bad hangover」

バスが遅おくれたせいで、会議かいぎに間まに合あわなかった。

Basu ga okure ta sei de, kaigi ni maniawa naka ta.

Due to the bus being late, I didn't make it to the meeting.

「Apologizing for being late」