保证的英文：
guarantee
ensure
safeguard
pledge

参考例句：
  • I wager that it shall be so.
    我保证它会这样。
  • Measures must be taken to insure traffic safety.
    必须采取措施保证交通安全。
  • A balanced diet is an insurance against malnutrition.
    均衡的食谱是防止营养不良的保证。
  • This food is guaranteed additive-free, ie The manufacturer officially promises that it contains no additives.
    该食品保证不含添加剂。
  • Progress is the activity of today and the assurance of tomorrow.
    进展即今日的活动和明日的保证。
  • To stimulate your appetite and digestion and wish you good health are the guarantee of our restaurant.
    开胃消食，祝君健康——本酒家的保证。
  • [C](fml)formal promise or guarantee,esp in writing
    正式的承诺或保证(尤指书面形式)
  • The doctors were zealous in their efforts to ensure the survival of premature babies.
    医生们在努力保证早产婴儿成活方面热情很高。
  • The maker guarantees this hair dye to stay on three weeks.
    制造商保证染发剂使用后的有效期间为三星期。
  • He had promised that he would be with his sister through fair and foul.
    他保证不管在什么情况下都要和他妹妹在一起。
guarantee是什么意思：
v. 保证；担保
n. 保证，担保；保证人；保证书；担保金，担保物；保修单
  • Super low compression set guarantes its good sealed performance.
    ◆ 超低的压缩永久变形，保证了产品的长期良好密封效果。
  • guaranteed surrender value
    保证退保现金价值
  • It's guaranteed to rain.
    肯定是要下雨的。
ensure是什么意思：
v. 保证，担保；保护，使安全，确保
  • No system that ensured spiritual progress.
    没有确保精神进化的系统。
  • Ensure the effectiveness and identification of document.
    确保文件的有效性,并得到明显的识别。
  • Please rest assured that repayment is ensured.
    请您放心，还款是有保障的。
safeguard是什么意思：
v. 保卫，保护
n. 保卫，保护（措施）
  • safeguard national independence and state sovereignty
    维护民族独立和国家主权
  • It is obligatory for everyone to safeguard our motherland.
    保卫祖国人人有责。
  • What is the solution to safeguarding competition on the Internet?
    有什么方案可以保证因特网上的公平竞争

到沪江小D查看保证的英文翻译>>

翻译推荐：