to feel disappointed or sad suddenly
突然感到失望或悲伤 (tūrán gǎndào shīwàng huò bēishāng)
"My heart sank when I saw the exam result."
"当我看到考试结果时，我的心沉了下来。" (Dāng wǒ kàn dào kǎoshì jiéguǒ shí, wǒ de xīn chénle xiàlái.)
to reveal a secret
a cyberattack that occurs before a vulnerability is patched
a very clever or talented person
to see or recognize a quality or feature in someone or somet...
competition among companies or nations to lead in AI develop...
very excited and happy about many options or things
