焦虑的英文,怎么说 ?

anxiety
n.
-ties

忧虑；焦虑；不安

He was waiting for his brother's return with anxiety.
他焦虑地等着兄弟归来

angst
angst 1
AHD:[ängkst]
D.J.[$80kst]
K.K.[$0kst]
n.（名词）
A feeling of anxiety or apprehension often accompanied by depression.
忧虑，疑惧：焦虑、疑惧的感受，常伴有沮丧

worrying
be anxious of

N. anxiety
V. to be anxious about

1.to feel anxious; to have worries and misgivings
2.deeply worried and anxious
3.concern; anxiety