You know I'm lousy at Occlumency, I never got the hang of it.

你知道我大脑封闭术练得多差，一直找不到诀窍。

youdao

Occlumency is a necessary prerequisite to defeat a Legilimens' lie-detector abilities without suspicious behaviour such as avoiding face-to-face contact and eye contact.

要想阻止摄神取念者判别谎言的能力，而不使用像躲避面对面和目光接触这些可疑的行为，掌握大脑封闭术是必需的先决条件。

youdao