| 单词 | frustration |
| 例句 | frustration noun 1.•he clenched his fists in frustration:exasperation, annoyance, anger, vexation, irritation | disappointment, dissatisfaction, discontentment, discontent | informal aggravation. 2.•the frustration of her attempts to introduce changes:thwarting, defeat, prevention, foiling, blocking, spoiling, circumvention, forestalling, disappointment, derailment | obstruction, hampering, hindering | failure, collapse. |
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