Verbseoul.
하다 verb (adj)
진하다jinhadato be thick, to be strong, to be concentrated

To say to be thick, to be strong, to be concentrated politely in the present tense, use 진해요 (cheen-hae-yoh). Below is the full conjugation of 진하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
진해
cheen-hae
진해요
cheen-hae-yoh
진합니다
cheen-hahm-nee-dah
Past
진했어
cheen-hae-ssuh
진했어요
cheen-hae-ssuh-yoh
진했습니다
cheen-hae-sseum-nee-dah
Future
진할 거야
cheen-hahl- -guh-yah
진할 거예요
cheen-hahl- -guh-yae-yoh
진할 겁니다
cheen-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
진하세요
cheen-hah-sae-yoh
Suggestion / Let's Polite (요)
진해요
cheen-hae-yoh
Question Polite (요)
진해요?
cheen-hae-yoh-?
Connective “and” — (고)
진하고
cheen-hah-goh
Conditional “if” — (면)
진하면
cheen-hah-myuhn
Noun form — (기)
진함
cheen-hahm