"Kiku wa ittoki no haji, kikanu wa
issho no haji”
(To ask a question is a temporary embarrassment,
but not to ask is a whole life embarrassment.)
is a saying that betraying one's ignorance is like a shameful conduct, but
is a temporizing shame.
one gets along without question, one may spend all through one's lifetime
may come across a similar conversation:
"You actively speak and ask questions in a conference."
"I have been making an effort to avoid any misunderstanding. As the
proverb says, Kiku wa ittoki no haji, kikanu wa issho no haji.”