Concerned

焦

Anxious, Burnt, Concern, Concerned, Focus, Focused, Scorched, Worried, Worry

牢

Cage, Concerned, Fast, Firm, Jail, Pen, Prison, Sacrifice, Secure, Stable, Stall, Worried

虞

Anxious, Concerned, Forewarned, Worried, Yu

擔心

Concern, Concerned, Concerning, Concerns, Worried, Worries, Worry, Worrying