プログレッシブ和英中辞典(第4版)の解説
ことなかれしゅぎ【事無かれ主義】
the principle of conceding anything to avoid trouble
万事事なかれ主義でいく
I will abide by the principle of“peace-at-any-price”in everything.
事なかれ主義で余計なことは一切しない
He never goes out of his way to do anything ― he just wants to avoid complications.