そのせい

sono sei
nounIntermediate because of that
informal

A casual phrase used to explain the cause of something, often implying blame or responsibility. Literally means 'that's the reason' or 'because of that'.

そのせいでテストに落ちた

I failed the test because of that

そのせいで会社を辞めた

I quit my job because of that

💡

Often used in casual conversation to attribute blame or responsibility for a negative outcome. Can sound accusatory if used toward someone else.

Related Phrases

💡Pro Tip

Tone Awareness

This phrase can sound accusatory. Use carefully when discussing someone else's actions.

Gold Rule

Casual Usage

Primarily used in informal contexts. Avoid in formal writing or professional settings.

📖Word Origin

Combination of その (that) + せい (reason/cause)

📝Usage Notes

Common in casual speech but can sound blunt or accusatory. Often used when explaining why something went wrong.

Word Breakdown

その
that
demonstrative
+
せい
reason/cause
noun
和英辞典