Mr. Wong, a retired sign maker who speaks English, can still get by with his Cantonese, which remains the preferred language in his circle of friends and in Chinatown’s historic core.

王先生以前是做招牌的，现在退休了，会说英语。 由于他的朋友圈和唐人街的历史核心区仍是使用广东话为主，他还可以用他的广东话勉强应付日常生活。

youdao

This corroborates Dr Marsden's ideas about core networks, since even those Facebook users with the most friends communicate only with a relatively small number of them.

好友最多的那些Facebook用户时常联系的也就一小撮儿，马斯登博士的核心网络观点由此得以印证。

youdao

Now, as the Social Democrats begin to run out of steam, Mr Klaus and his core of friends, though still behind in the opinion polls, think they have a chance of getting back at the next election, due at the latest next year.

ECONOMIST: Charlemagne

At the band's core are a few old friends who started Broken Social Scene four years ago.

NPR: Broken Social Scene: Indie Rock Originals

He said the tragedy "has deeply shocked family and friends to the core".

BBC: Magilligan house fire victim's name released