Larry和李华星期六晚上待在家里，觉得有些无聊，他们会用到两个常用语：stuck in a rut和someone's cup of tea. LH: 你每天晚上除了玩线上游戏就什么都不干了！我们就不能出去转转，找点好玩的事情做吗？ Larry: (Sigh) You're right, Lihua. We haven't really done anything new recently. I ...

Please explain “stuck in a rut”, as in this sentence: he felt like he was stuck in a rut, and just going through life and not living life. My comments: Here his life is likened to a wagon which ...