What does the cryptic crossword clue "In trouble, a cheetah appears to turn white (6)" mean?

The definition is "turn white". The wordplay uses a hidden word. Hidden in "in trouBLE, A CHeetah appears to turn white" The answer is BLEACH.

In trouble, a cheetah appears to turn white (6)

Guardian Cryptic #28948 | 4 Down | 2022-12-23 flower