永えい世せい中ちゅう立りつえいせいちゅうりつじ字FuriganaMeanings1nounpermanent neutralityyojijukugo (four-character idiom)›A political/diplomatic term, often used in the context of a country's declared permanent neutral status (e.g., Switzerland).スイスは永えい世せい中ちゅう立りつ国こくとして知しら