ignoble

为了金钱背叛朋友是一种卑鄙的行为。

Betraying friends for money is an ___ignoble act.

把同事的辛勤工作据为己有，是一种靠卑鄙手段往上爬的方式。

Taking credit for a colleague's hard work is an ___ignoble way to advance one's career.

这位历史学家认为，那份和平条约是一种背叛国家利益的可耻投降。

The historian argued that the peace treaty was an ___ignoble surrender that betrayed the nation's interests.