他破解了难题。
Tā pòjiě le nántí.
English
He solved the hard problem.
to crack; to decipher; to unravel
to break (a bond, constraint etc); to explain; to unravel
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
他破解了难题。
Tā pòjiě le nántí.
He solved the hard problem.
谜团破解了。
Mítuán pòjiě le.
The mystery is solved.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.