to keep something secret
将某事保密 (jiāng mǒu shì bǎomì)
"They managed to keep the project under wraps until the launch day."
"他们成功地将项目保密直到发布日。" (Tāmen chénggōng de **jiāng xiàngmù bǎomì** zhídào fābù rì)
a cyberattack that occurs before a vulnerability is patched
to stay cheerful even when facing difficulties
to speak at length in an excited or annoyed way
The rate at which a startup spends its capital.
to waste time on a topic that has already been resolved
To motivate someone to take action or work harder.