HSK 4
发出
fāchū动
to issue (an order, decree etc); to send out; to dispatch; to produce (a sound); to let out (a laugh)
手机突然发出很大的声音。
Shǒu jī tū rán fā chū hěn dà de shēng yīn.
The phone suddenly made a loud sound.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 4.