1·These adjectives are synonymous when they refer to keenness and forcefulness of thought, expression, or intellect.
这些形容词用以表示思想、表达或才智的尖锐有力时是同义词。
2·Generally Speaking, Bacon's literary style has three prominent qualities: directness, terseness, and forcefulness.
一般来说，他的文章有三个突出品质：直接，简洁，有力。