Japanese edit

For pronunciation and definitions of ちょうせん – see the following entries.
朝鮮
[proper noun] Korea (two countries in East Asia, North Korea and South Korea)
[proper noun] North Korea (a country in East Asia)
挑戦
[noun] challenge (against authority or a higher-ranked person)
[noun] (figuratively) try at something
[verb] to challenge
[verb] (figuratively) to take on the challenge of doing something (especially something one has not done before); to try; to try one's hand at
潮汕
[proper noun] Chaoshan (a region in northeastern Guangdong, China)
(This term, ちょうせん, is the hiragana spelling of the above terms.)