"这个礼拜"的意思是现在的这一周，"礼拜"是"星期"的口语说法。

"这个礼拜" means the current week; "礼拜" is the spoken form of "星期".

人们在说话的时候常常用它，比"这个星期"更口语。

People often use it in speech; it's more colloquial than "这个星期".