せいか

could it be because of …?

→ せい

phrase Uncommon #12,643

could it be because of …? Used when suggesting a possible cause, often one viewed negatively or as someone’s fault.

JA: 雨のせいか、今日は頭が痛い。

EN: Could it be because of the rain that I have a headache today?

Perhaps it's because we've gotten closer.

— ブエノスアイレス (1997)