Korean Through Hanja 한자어정선 # 20 - 防

防
to protect, to defend

防水   방수    ぼうすい   fángshuǐ

waterproof

防音   방음    ぼうおん

soundproof

防止   방지    ぼうし     fángzhǐ

prevention

防臭劑 방취제    ぼうしゅうざい

deodorant

防火   방화    ぼうか    fánghuǒ

fire prevention; fireproof

防衛   방위    fángwèi

defense （national)

Korean Through Hanja 한자어정선 # 19 - 變（변）

                                 變 変(日） 变（简体）
                                      to change (변하다)

變改 변개 へんかい
revolutionize / reform / carry out a reform

變更 변경 へんこう biàngēng
change / modification

變動 변동 へんどう biàndòng
fluctuation

變成 변성 へんせい biànchéng
metamorphosis (in Chinese, it simply means to change into)

變換 변환 へんかん biànhuàn
to convert （in Chinese, to change shape/form)

變則 변칙 へんそく
irregular

Korean Through Hanja 한자어정선 # 18 - 就(취)

Korean Through Hanja 한자어정선 # 18 - 就(취)
                to achieve

就眠 취면 しゅうみん
to sleep

就業 취업 しゅうぎょう jiùyè
to work

就任 취임 しゅうにん jiùrèn
be sworn in / take office / be inaugurated as

就職 취직 しゅうしょくjiùzhí
find a job / get a position / be employed

就學 취학 しゅうしょく
to attend school