Verbseoul.
하다 verb (adj)
곤란하다gonranhadadifficult, hard

To say difficult, hard politely in the present tense, use 곤란해요 (gohl-rahn-hae-yoh). Below is the full conjugation of 곤란하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
곤란해
gohl-rahn-hae
곤란해요
gohl-rahn-hae-yoh
곤란합니다
gohl-rahn-hahm-nee-dah
Past
곤란했어
gohl-rahn-hae-ssuh
곤란했어요
gohl-rahn-hae-ssuh-yoh
곤란했습니다
gohl-rahn-hae-sseum-nee-dah
Future
곤란할 거야
gohl-rahn-hahl- -guh-yah
곤란할 거예요
gohl-rahn-hahl- -guh-yae-yoh
곤란할 겁니다
gohl-rahn-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
곤란하세요
gohl-rahn-hah-sae-yoh
Suggestion / Let's Polite (요)
곤란해요
gohl-rahn-hae-yoh
Question Polite (요)
곤란해요?
gohl-rahn-hae-yoh-?
Connective “and” — (고)
곤란하고
gohl-rahn-hah-goh
Conditional “if” — (면)
곤란하면
gohl-rahn-hah-myuhn
Noun form — (기)
곤란함
gohl-rahn-hahm