fringe

边缘的；附加的；穗；边缘；刘海；作为……的边缘

【例】The employees ask the company to increase their fringe benefit.

员工要求公司增加附加福利。

frozen

冻结的；严寒的；吓呆的

【例】These frozen foods are the most convenient of all.

这些冷冻食品最为方便。

frustrate

使（计划、努力等）无效；破坏；挫败；受挫；失败

【例】The economic downturn frustrated the company’s efforts to increase sales volume.

经济不景气使该公司提高销量的努力受挫。

fulfill

履行；实现；满足；使结束

【例】Both the parties should strictly fulfill the terms of the agreement.

双方都应严格履行协议条款。

full-fledged

有充分资格的；成熟的

【例】It is unbelievable that the former small shop has developed into a full-fledged business empire.

昔日的小店已经发展为成熟的商业帝国，真是令人难以置信。