HSK 5
刚好
gānghǎo形副
just; exactly; to happen to be
我到车站时刚好八点。
Wǒ dào chē zhàn shí gāng hǎo bā diǎn.
It was exactly eight when I reached the station.
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 5.