忧愁满面 meaning in Chinese

mourning is all over one's face

I did not expect that the next day the husband , looking much troubled , would ask me not to print his phone number on the leaflets , even though he and his wife supported our activities and even had their employees put up advertisement banners for us . he was worried that some extremists might cause trouble for them . the couple had put their lives at risk by coming to this industrial city , where the crime rate was high and social order was bad , only to do some business and make some money
没想到第二天，准师兄忧愁满面地对我说，他们非常支持我们办活动，也有请他的工人帮我们拉广告的布条，但是他的电话号码不能印在传单上，因为担心有些极端人士会找麻烦，他们冒著生命危险来到这犯罪率极高治安极坏的商业城市，只想要做生意赚一些钱，怕影响生意，恳请我们把他的电话号码拿掉。