resort to

采用，诉诸

as a first (或 last 或 final) resort

before anything else is attempted (or when all else has failed)

作为第一招，作为一开始就采取的行动（或最后一招，作为万不得已时所采取的行动）

French

ultimately

最后，在没有其他办法时

in the last resort what really moves us is our personal convictions.

最终策励我们行动的是我们的个人信念。