understatement

名词 understatement:

1. a statement that is restrained in ironic contrast to what might have been said

1. A figure of speech consisting of an understatement in which an affirmative is expressed by negating its opposite, as in This is no small problem.
   间接肯定法用有节制的陈述所构成一种修辞手法，即通过否定其反面来表达肯定的意思，例如在这并不是一个小问题中