Verbseoul.
regular
서슴다seoseumdato not make a decision

To say to not make a decision politely in the present tense, use 서슴어요 (suh-seu-muh-yoh). Below is the full conjugation of 서슴다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
서슴어
suh-seu-muh
서슴어요
suh-seu-muh-yoh
서슴습니다
suh-seum-seum-nee-dah
Past
서슴었어
suh-seu-muh-ssuh
서슴었어요
suh-seu-muh-ssuh-yoh
서슴었습니다
suh-seu-muh-sseum-nee-dah
Future
서슴을 거야
suh-seu-meul- -guh-yah
서슴을 거예요
suh-seu-meul- -guh-yae-yoh
서슴을 겁니다
suh-seu-meul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
서슴으세요
suh-seu-meu-sae-yoh
Suggestion / Let's Polite (요)
서슴어요
suh-seu-muh-yoh
Question Polite (요)
서슴어요?
suh-seu-muh-yoh-?
Connective “and” — (고)
서슴고
suh-seum-goh
Conditional “if” — (면)
서슴으면
suh-seu-meu-myuhn
Noun form — (기)
서슴음
suh-seu-meum