HSK 7-9
口令
kǒulìng名
oral command; a word of command (used in drilling troops or gymnasts); password (used by sentry)
队长发出口令后大家转身。
Duì zhǎng fā chū kǒu lìng hòu dà jiā zhuǎn shēn.
Everyone turned around after the leader gave the command.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.