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term exams. let alone= not to mention: All of us are pleased to see Bruce again, let alone Frank. Consolidation lawn withdraw (al) strike prejudice clumsy picturesque select convey clarify overe oppose reject resist 。 It’s high time that you got down to your studies this year. 4. let… down 1) 放低 , 放下 They let him down on a rope. He let himself down slowly by means of a rope. 2) 使失望 , 失信 You can trust Brooks. He39。 比較的 He retired and lived in relativ