| 秒杀 | [ shā ] (Internet) flash sale, (sports or online gaming) rapid dispatch of an opponent |
| 秒秒钟 | [ zhōng ] in a matter of seconds, swiftly, rapidly |
| 秒针 | [ zhēn ] second hand (of a clock) |
| 秒钟 | [ zhōng ] (time) second |
| ⇒ 三秒胶 | [ sān ] superglue |
| ⇒ 分秒必争 | [ fēn bì zhēng ] seize every minute and second (idiom); not a minute to lose, every moment counts |
| ⇒ 争分夺秒 | [ zhēng fēn duó ] lit. fight minutes, snatch seconds (idiom); a race against time, making every second count |
| ⇒ 秒秒钟 | [ zhōng ] in a matter of seconds, swiftly, rapidly |
| ⇒ 纳秒 | [ nà ] nanosecond, ns, 10^-9 s (PRC), Taiwan equivalent: 奈秒[nai4 miao3] |
| ⇒ 角秒符号 | [ fú haò ] double prime symbol (″) (math., linguistics etc) |
| ⇒ 飞秒 | [ feī ] femtosecond, fs, 10^-15 s |