What does the cryptic crossword clue "Anxious, some vacillate as expected (3,2,4)" mean?

The definition is "Anxious,". The wordplay uses a hidden word. Hidden in "anxious, some vacILLATE AS Expected" The answer is ILL AT EASE.

Anxious, some vacillate as expected (3,2,4)

Times Cryptic #29208 | 27 Across | 2025-04-19 flower