-(으)ㄹ진대
given that, since (literary)
6-daraja · Bogʻlovchi
Izoh
States an obvious premise as grounds for the conclusion, in an archaic, formal style (speeches, essays). Vowel or ㄹ stems take ㄹ진대, consonant stems 을진대; nouns 일진대. The main clause often has 마땅히 or 하물며.
Misollar
나라를 위한 일일진대 어찌 힘들다고 마다하겠는가.
Since it is for the nation, how could one refuse it as too hard?
작은 일도 이러할진대 큰일은 말할 것도 없다.
If small matters are like this, large ones go without saying.
학생일진대 마땅히 배움에 힘써야 한다.
Being a student, one should naturally devote oneself to learning.
TOPIK izohi
TOPIK II Reading 44–50 (long argumentative texts).