英語翻譯：

1. Every Monday during the summer holidays.

during the summer holidays.

在暑假期間;暑假期間;

例句：Our English teacher prepared some students for the English competition during the summer holidays.

我們英語老師在暑假期間輔導一些學生準備參加英語競賽。

2. Every Monday in the summer vacation.

in the summer vacation.

在暑假裡

例句：We had a good time at Beidaihe beach in the summer vacation.

暑假裡我們在北戴河海濱過得很愉快。