～はおろか・not to mention

～は当然として（されに～も）・～は普通としても

AはおろかB means "A of course, but B as well". The second clause describes a negative situation or circumstance, typically using 「無い・～ない・少ない」. Emphasises difference in nuance by citing normal-level A, followed by the less significant B.

（１） 彼の部屋には、エアコンはあろか、扇風機もなかった。
In his room, he doesn't have air conditioning nor even a fan.

（２）こんな成績では進学はあろか、卒業だって危ない。
With this rank his going to another school and even his graduation are at risk.

（３）腰が痛くて、歩くのはあろか、座るのもつらい。
My back aches and not only walking but even sitting hurts.

（４）この地球上には、電気、ガスはあろか、水道さえない生活をしている人々がまだまだたくさんいる。
On this plant, there are a lot of people carrying on their life not only with out electricity or gas but even without running water.