The virus needs two weeks to manifest itself.这种病毒潜伏两周时间才会发作。

Their frustration and anger will manifest itself in crying and screaming.他们用哭泣与尖叫表达自己的沮丧和愤怒。

He's only convincing when that inner fury manifests itself.他只有在内心的愤怒充分表露的时候, 才令人信服。