HSK 6
投诉
tóusù动
to lodge a complaint
我已向客服投诉送货太慢。
Wǒ yǐ xiàng kè fú tóu sù sòng huò tài màn.
I complained to customer service about the slow delivery.
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 6.