the International System of Units

nuclear power (a state that possesses nuclear weapons)

A self-service laundry facility: laundromat (US), laundrette (UK)

the Republic of South Africa

national museum

Yemen Arab Republic

Nordic countries, a group of countries in northern Europe consisting of Norway, Sweden, Finland, Denmark, Iceland, and their associated territories Greenland, the Faroe Islands, and Åland.

Korea Standard Time

Clipping of 国際連合安全保障理事会 (Kokusai Rengō Anzen Hoshō Rijikai, “United Nations Security Council”); the UN Security Council

“a hundred days of sermonizing, one fart” → a metaphor for how something that one has put great effort into can come to nothing after even a slight mistake, much as a hundred days of serious spiritual study can be lost to the winds