telling
🇺🇸
/ˈtelɪŋ/
🇬🇧
/ˈtelɪŋ/
having a strong or important effect
Her telling argument convinced everyone to change their minds.
彼女の説得力のある議論は、全員の考えを変えさせた。
showing what someone or something is really like, often without meaning to
His reaction was telling about his true feelings on the matter.
彼の反応は、この問題に対する彼の本心を物語っていた。