放(ほう)課(か)後(ご) houkagoに ni面(めん)倒(どう)な() mendounaこと kotoが ga起(お)き()た() okita。 Something troublesome happened after school. Literal After-school [at-に] troublesome thing [subject-が] occurred 面倒なこと — the na-adjective 面倒な (troublesome) modifying こと (thing/matter). 起きた (past of 起きる) shifts from 'to wake up' to 'to happen/occur' when the subject is an event rather than a person. schoolnotable eventsnominalizer こと
放(ほう)課(か)後(ご) houkagoに ni面(めん)倒(どう)な() mendounaこと kotoが ga起(お)き()た() okita。 Something troublesome happened after school. Literal After-school [at-に] troublesome thing [subject-が] occurred 面倒なこと — the na-adjective 面倒な (troublesome) modifying こと (thing/matter). 起きた (past of 起きる) shifts from 'to wake up' to 'to happen/occur' when the subject is an event rather than a person. schoolnotable eventsnominalizer こと