这把刀生锈了。
Zhè bǎ dāo shēngxiù le.
English
This knife is rusty.
to rust
(of metal) to rust; to become rusty; (fig.) (of a skill etc) to get rusty; to deteriorate
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
这把刀生锈了。
Zhè bǎ dāo shēngxiù le.
This knife is rusty.
铁门生锈打不开了。
Tiě mén shēngxiù dǎ bù kāi le.
The iron door is rusty and cannot open.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.