force·ful·ness
noun/ˈfɔːsflnəs/
/ˈfɔːrsflnəs/
[uncountable]- the ability to express your opinions strongly and clearly so that other people believe them
有说服力的 - He argued his case with clarity and forcefulness.
他清晰而有力地论证了自己的观点。
- He argued his case with clarity and forcefulness.
- the quality in opinions, etc. of being strong and clear so that other people believe them
强力：坚强而清晰的意见等的质量，以便他人相信 - the forcefulness of his views
他的观点的说服力
- the forcefulness of his views