bulletproof

防弾の

弾丸が突き抜けるのを防げるほど丈夫な。

やさしい英語で： Strong enough to stop bullets from passing through it.

• The guard wore a bulletproof vest.
• The car has bulletproof windows.
• They installed bulletproof glass at the entrance.

類義語： bullet-resistant

よく使う表現： bulletproof vest, bulletproof glass, bulletproof jacket

反論の余地がない、揺るぎない

非常に強固で根拠も確かなので、攻撃したり反論したりしにくい。

やさしい英語で： So strong or well supported that it is very difficult to damage, attack, or disprove.

• Her argument seemed bulletproof.
• The lawyer built a bulletproof case.
• Even his strongest critics could not challenge that bulletproof alibi.

類義語： unassailable, watertight, solid

反対語： weak, vulnerable

よく使う表現： bulletproof argument, bulletproof case, bulletproof alibi

堅牢な、故障しにくい

問題が起きても動き続けられるほど、信頼性が高い。

やさしい英語で： Very reliable and able to keep working even when problems occur.

• We need a bulletproof backup system.
• The software is fast, but it isn't bulletproof.
• Their bulletproof design kept the service running during the power failure.

類義語： reliable, robust, fail-safe

反対語： unreliable, fragile

よく使う表現： bulletproof system, bulletproof software, bulletproof design

堅牢化する、障害に強くする

問題が起きても正常に動き続けるように改良する。

やさしい英語で： To improve something so that it continues to work properly even when problems occur.

• We need to bulletproof this software.
• The team bulletproofed the payment system before launch.
• Testing unusual inputs helps us bulletproof the program.

類義語： strengthen, make robust

よく使う表現： bulletproof the system, bulletproof your code, bulletproof a process

防弾加工する

弾丸が突き抜けないように加工する。

やさしい英語で： To change something so that bullets cannot pass through it.

• They plan to bulletproof the car.
• The company bulletproofed all the vehicle's doors.
• Can these windows be bulletproofed without replacing the frames?

よく使う表現： bulletproof a car, bulletproof the doors, bulletproof a vehicle