国无宁日

tā yì shí dào chú fēi yīng guó guī huán yī bù fen yǐ qián de zhàn lǐng dì fǒu zé guó wú níng rì

他意识到除非英国归还一部分以前的占领地，否则国无宁日。

He had realized that Britain could not have peace unless returned some of former conquests.