assurance
- n. 保证，担保；（人寿）保险；确信；断言；厚脸皮，无耻
英英释意
- 1. freedom from doubt; belief in yourself and your abilities;
- "his assurance in his superiority did not make him popular"
- "after that failure he lost his confidence"
- "she spoke with authority"
- 2. a binding commitment to do or give or refrain from something;
- "an assurance of help when needed"
- "signed a pledge never to reveal the secret"
- 3. a statement intended to inspire confidence;
- "the President's assurances were not respected"
- 4. a British term for some kinds of insurance