国企的出售或者兼并几乎都是在闭门造车 -- 工人们很少参与。

The selling-off of state-owned assets and merger of state-owned companies has nearly always been done behind closed doors.

最值得注意的事实是：它作为另一组闭门造车的规范出现，远离标准团体。

Most notably was the fact that it appeared to be yet another series of specifications developed behind closed doors and kept away from a standards body.

很多人都相信寻求帮助是软弱而不是强悍的标志，所以他们选择闭门造车。

Most people do not ask for help because they believe it to be a sign of weakness rather than strength.

他将一家200岁的四平八稳闭门造车的储蓄银行变成了中东欧地区最大的零售银行之一。

He has transformed the staid, insular, 200-year-old savings bank into one of the largest retail Banks in central and eastern Europe.

在我看来，汉字演变，由繁至简是一种必然，但并不意味着是那些所谓精英们的闭门造车。

In my opinion, the development of the characters from complex to simple is inevitable, but it does not mean that so-called elites make cars behind the closed door.