U2E21 | ensure insure assure

Word of the day · May 6, 2026 · 2m

Ensure vs. insure vs. assure

1. ensure

to make something certain to happen保证，确保(某种结果)

Vaccination ensures protection against many diseases.

接种疫苗能确保预防多种疾病。

Proper planning ensures the success of the project.

妥善规划能确保项目成功。

Please ensure that all the lights are turned off before leaving.

请确保离开前所有灯都关掉。

2. insure

to arrange for compensation in the event of damage to or loss of (property), or injury to or the death of (someone), in exchange for regular payments to a company or to the state为…投保；给…保险

The house is insured against fire and theft.

这房子投保了火险和盗窃险。

He insured his life for a million dollars…