be at a loss what to do;be at [come to] one's wits' end;be at a nonplus;be at a stand;be all adrift ;

After my lecture, the students began to overwhelm me with questions.
讲课之后, 学生们开始问一系列问题,使我不知所措.
来源:《简明英汉词典》I know that you'refloundering around, trying to grasp at any straw.
我知道你正不知所措,是在病急乱投医。
来源:《柯林斯高阶英汉双解学习词典》He took the bewildered Elliott by the arm and guided him out.
他抓着不知所措的埃利奥特的胳膊,把他带了出来。
来源:《柯林斯高阶英汉双解学习词典》He was shattered and bewildered by this trenchant criticism.
他因这番尖锐的批评而万念俱灰,茫然不知所措。
来源:《柯林斯高阶英汉双解学习词典》As the deadline approached she experienced a bewildering array of emotions.
随着最后期限的临近,她开始心绪纷乱,不知所措。
来源:《柯林斯高阶英汉双解学习词典》Sightseers may be a little overwhelmed by the crowds and noise.
拥挤的人群和喧闹的噪音可能会让游客有些茫然不知所措。
来源:《柯林斯高阶英汉双解学习词典》
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