tamper-proof

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈtamper-proof adjective  BBTa package or container that is tamper-proof is made in a way that prevents someone from opening it before it is sold 〔包装或容器〕防拆封的，有防撕扯封条的

Examples from the Corpus

tamper-proof• Part of the program would require states to develop more tamper-proof birth certificates and drivers licenses.• Wilson says he is only advocating a tamper-proof card for those seeking public services.• The authorities reacted by ruling that tamper-proof electronic cash registers must be used.From Longman Business Dictionarytamper-proofˈtamper-proof adjective1a package or container that is tamper-proof is made in a way that prevents people from opening it before it is soldSYN TAMPER-RESISTANT2impossible to change or spoiltamper-proof bar code labels

ˈtamper-proof adjectiveChineseSyllable  

tamper-proof container is Business that or a package Corpus

tamper-proof
ˈtamper-proof adjective
a package or container that is tamper-proof is made in a way that prevents someone from opening it before it is sold

tamper-proofBrE /ˈtæmpə pruːf/ 🔊NAmE /ˈtæmpər pruːf/ 🔊 adjectivesomething that is tamper-proof is specially designed so that it cannot be easily changed or damaged 防更改的；防损毁的◆a tamper-proof identity card防涂改身份卡