태연: 태연 [泰然] ~하다 calm; cool; composed; self-possessed; unruffled; imperturbable; unimpassioned; firm; immovable; unmoved. 그녀는 ~한 태도를 잃지 않았다 She remained calm[self-possessed]. / She kept her presence of m
연한: 연한 [年限] a term; a period. 수업[복무] ~ a term of study[service]. 근무 ~ a term of service[office]. 4년의 의무 ~이 끝났다[찼다] The obligatory[compulsory] term of four years has expired[is up]. 그는 복역 ~을 채우고 있다 He is