anxiety/ æŋ'zaɪətɪ /

1.noun [c/u] 
(concern) 焦虑

2.noun [u] [医] 
焦虑症

anxiety over {or} about sth
对某事感到焦虑
his anxiety to please/to do well
他急于取悦他人/好好表现的愿望
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