Translation

保険をかける / 保険で補償する / 保険に入る

Meaning

Insure means to protect someone or something with insurance. It is used for cars, houses, businesses, trips, health, and financial risk. The learner trap is using insure when you simply mean make sure; in careful English, that is usually ensure.

Examples

• 海外旅行の前に荷物と医療費を保険で補償しました。
  I insured my luggage and medical expenses before traveling abroad.
• その会社はすべての配送車両に保険をかけています。
  The company insures all of its delivery vehicles.