彼(かの)女(じょ) kanojoは wa病(びょう)気(き) byoukiに ni違(ちが)い()な()い() chigainai。 She must be sick. Literal She [topic-は] sick [must be-にちがいない]. ~に違いない expressing strong inference. A confident conclusion based on evidence. health~に違いない (must be)
彼(かの)女(じょ) kanojoは wa病(びょう)気(き) byoukiに ni違(ちが)い()な()い() chigainai。 She must be sick. Literal She [topic-は] sick [must be-にちがいない]. ~に違いない expressing strong inference. A confident conclusion based on evidence. health~に違いない (must be)