اطمینان و امکان - یقین - اطمینان - قطعیت

to express strongly and confidently that something is undoubtedly true or will certainly happen

مطمئن بودن

to be cautious and not assume that something will succeed or happen as planned, as there is always a possibility of unforeseen obstacles or problems

شتاب‌زده عمل کردن

used when one can claim that something is true with all one's certainty

بدون هیچ شکی

used to show one's utmost certainty about something

با اطمینان کامل

in a way that is free of all ambiguity or uncertainty

بدون هیچ شکی

used to say that something is so obvious that there is no need for further explanation

بدیهی بودن

used when one is certain that something will happen at some point in the future

این خط این نشون

to do something that ensures that someone or something fails or something unpleasant happens to them

گور کسی را کندن

denoting something that has been tested many times and proved to be reliable or effective

آزمون‌پس‌داده

a way of proving the validity of a claim or determining the success rate of a plan

اثبات

a feeling of remorse, and reservation that one gets upon facing a challenge or finding oneself in an unexpected situation

احساس پشیمانی

to believe something strongly, even though one cannot explain why

در اعماق وجود خود حس کردن

something that is assumed to be true or already decided upon before any evidence or arguments are presented

نتیجه مسلم

in a way that is most clear or direct

صریح

a situation in which any decision made cannot be undone

مسیر بی‌بازگشت

to certainly happen at some point in the future

دیر یا زود اتفاق افتادن

used to imply that something is reliable, certain, and can be trusted completely

بسیار قابل اطمینان بودن