ADJ
If you describe something as banal, you do not like it because you think it is so ordinary that it is not at all effective or interesting. 平庸乏味的
[表不满]
"The more banal he is, the more terrifying he is. There is no doubt and I'll say without question that it was the most difficult thing I've ever done as an actor."
VOA: standard.2010.01.08
Because, for all the most ordinary, all the most banal reasons, he was doomed.