It is now high time that we should discuss the matter of importance.

是该时起个号来讨论重要的事情。

It is high time the leaders and officials at the conference gather together to address the concerns.

现在该聚会的领导人和官员们一起开会，对问题进行讨论。

It is high time that all the employees of the company join in the efforts of the employees from other companies to achieve a win-win situation.

现在是该时起全体员工一起为其它公司员工共同努力实现互利共赢的局面。

It is high time that every employee from every company shares their personal values and hopes towards the future together:

是该时起每位员工分享自己的个人价值，展望未来:

p.1 It is high time that all of the leaders and officials at the conference gather together to address the concerns.