I'm reading a prose and coming across a questioned sentence stated above, ie
"Let alone a man"
I seldom hear about this saying. Instead, "Let a man alone" sounds more common.
Of course, there is no doubt that the questioned sentence is grammatically correct. Yet I just want to know why we can write/ speak in this way.
"Let a man alone" --> Predicate/ object/ complement
"Let alone a man" --> Predicate/ complement/ object
The latter sounds weird to me, can anyone help me explain it?
Thanks in advance ^^