[noun] + 以上に
[verb (plain)] + 以上に
The grammar structure 以上に is used to express that something exceeds a certain expectation, standard, or degree – meaning "more than," "beyond," or "even more than." It emphasizes that the actual situation surpasses what was anticipated or what serves as the point of comparison.
以上に attaches to nouns or plain-form verbs to indicate that something goes beyond a given reference point.
When attached to a noun, 以上に means "more than [noun]" or "beyond [noun]." The noun typically represents a standard, expectation, or benchmark.
Here, ひつよう必要 (necessity) is the benchmark, and the sentence says not to exceed that level of worry.
When attached to a verb in plain form, 以上に means "more than [what one does/did]." This is used with verbs like おもう思う, そうぞう想像する, きたい期待する, and よそう予想する.
以上に functions adverbially – it modifies verbs and adjectives, describing how much or to what degree something happens. Without the に particle, いじょう以上 can function as a noun meaning "more than" or "above" in other grammatical roles.
以上に often carries a tone of surprise or emphasis – the speaker is highlighting that reality exceeded their expectations. It is used in both spoken and written Japanese and appears frequently in formal contexts such as business, news, and academic writing.