Step 1: SUCCESS! With the key '灰' you have just found 4 Chinese characters! They are . TOO MUCH? Go on! Click another black key from your Chinese character — or tap 'S' to get the current result (灰)
S

Tap the next key above! Or explore the meaning of Chinese characters that have been just found (long Chinese words with the characters — or click their pinyin):
 

HUI1
to restore, to recover, great

HUI1
gray, ash

TAN4
carbon, charcoal

TAN4
carbon