GbEng
她自称精通计算机,其实她是假充内行。 She claims to know all about computers but really she's a sham.
她以内行的眼光看, 这幅画糟透了. To her expert eye, the painting was terrible.
这份调查是真正内行人做的. This survey is the work of a real professional.
我并不自诩对这一问题内行[是这一问题的专家]. I don't profess expert knowledge of/to be an expert in this subject.