～せいで (〜sei de)
Explanation
Indicates that something or someone caused an unfortunate result.
Formation
Verb-casual + せいで, い-Adjective + せいで, な-Adjective + なせいで, Noun + のせいで
Detailed Explanation
The ～せいで grammar point is used to express that something or someone is the reason or cause of an unfortunate result or situation. It can be translated as 'because of' or 'due to' in English.
Examples
雨のせいで試合が中止になりました。
Ame no sei de shiai ga chuushi ni narimashita.
The game was cancelled because of the rain.
彼の遅刻のせいで、みんな待たされました。
Kare no chikoku no sei de, minna matasaremashita.
Everyone had to wait because of his lateness.
病気のせいで休日が台無しになった。
Byouki no sei de kyuujitsu ga dainashi ni natta.
My holiday was ruined due to illness.
仕事が忙しくて寝不足なせいで、集中できない。
Shigoto ga isogashikute nebusoku na sei de, shuuchuu dekinai.
I can't concentrate because I'm sleep-deprived due to busy work.
Grammar content sourced from hanabira.org.