vt.否认,反驳;
例句:
The practical and pragmatic gainsay the Utopian and transcendental.
实际的和实用的,否定了空想的和先验的东西.
Nobody can gainsay his claims.
没人能够反驳他的说法。
No one will gainsay his integrity.
没有人对他的正直有话可讲.