He's expressing the cultural grievance of his white, working-class base.

他在表达他的支持者在文化上的不满，即白人工人阶级的的不满。

Likening the election to a tug of war, Ms. Matthews said the president was trying to energize his predominantly white and male base even as moderate women recoil from him.

马修斯女士将这次选举比作一场拔河比赛，她说，总统正在努力给他主要的后援白人和男性选民加油打气，即使这时不少女性选民对特朗普退避三舍了。

It was a 30-minute show in black and white, based on a set of cartoons by Charles Addams. " To be based on" means that the ideas were taken from.

这是一个 30 分钟的黑白节目，改编自查尔斯·亚当斯 (Charles Addams) 的一组卡通片。 “基于” 意味着这些想法来自。