The security software he uses is home brew.

他用的安全软件是自己编的。

牛津词典

Home brew reached its greatest popularity in America during national prohibition.

在美国全国禁酒时期家酿啤酒极为盛行.

期刊摘选

This strain is not a home brew. It was introduced from abroad.

该品种不是当地培育的, 是从国外引进的.

期刊摘选

The security software he uses is home brew.

他用的安全软件是自己编的。

《牛津高阶英汉双解词典》