君の理論は成り立たないと思う。

Sentence Analyzer

君の理論は成り立たないと思う。

English Translation

I think your theory does not hold water.

Furigana

君(きみ)の理論(りろん)は成(なた)り立()たないと思(おも)う。

Romanji

Kimi no riron wa naritatanai to omou.

Words

君 (きみ)

you; buddy; pal; monarch; ruler; sovereign; (one's) master

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

理論 (りろん)

theory

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

成り立つ (なりたつ)

to consist of; to be made up of; to be composed of; to be practical (logical, feasible, viable); to be concluded; to hold true

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

思う (おもう)

to think; to consider; to believe; to think (of doing); to plan (to do); to judge; to assess; to regard; to imagine; to suppose; to dream; to expect; to look forward to; to feel; to desire; to want; to recall; to remember