柴 Strokes Write it Listen 柴 chái firewood, faggots, fuel; surname HSK 5 10 strokes Radical 木 Sound + meaning 1 word Built from此soundcǐthis, these; in this case, then木meaningmùtree; wood, lumber; wooden How it works木 hints at the meaning (wood), and 此 cǐ hints at the sound.