旺文社『英検1級語彙・イディオム問題500』

英検1級語彙・イディオム問題500 (英検分野別ターゲット)

英検1級語彙・イディオム問題500 (英検分野別ターゲット)

I have realized building up vocabularies is a difficult task without conscious effort.

For me, academic vocabularies, especially the ones used in social sciences, are basically OK. However, I am not so familiar with the words appearing in novels and business scenes.