开门红
【注音】kāi mén hóng
【解释】做的第一件事就取得好成绩或好效果。
It means to make a good beginning, start with great success or achieve good results.
【例子】
例：厂里今年一开始就取得了开门红，第一个季度就超额完成了任务。

Ex.：Our factory got off to a good start this year, over fulfilling the production quota for the very first quarter.
                          
侃大山
【注音】kǎn dà shān
【解释】北方方言，表示吹牛，没有目的地聊天。
This is Beijing dialect, meaning boasting or chat idly.
【例子】
例：他夫人看不惯他每天没事，光与人侃大山。

Ex.：His wife can not bear to see that he does nothing but idle talk everyday.