Look at that traffic jam! There goes our only chance of arriving on time. [=our only chance of arriving on time is gone/lost]瞧瞧这车堵的！我们不可能按时到达了。

It's supposed to rain this weekend, so there go our plans for a barbecue. [=we won't be able to have a barbecue]预报周末要下雨，因此我们户外烧烤的计划泡汤了。