他自行解决。
Tā zìxíng jiějué.
English
He solved it by himself.
by oneself; on one's own; of one's own accord
voluntary; autonomous; by oneself
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
他自行解决。
Tā zìxíng jiějué.
He solved it by himself.
自行回家。
Zìxíng huí jiā.
Go home by oneself.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.