HSK 7-9
核实
héshí动
to verify; to check
航班延误原因仍待核实。
Háng bān yán wù yuán yīn réng dài hé shí.
The cause of the flight delay still needs verification.
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.