单词tightknit
adj.: 紧险的网络: 密织的
紧凑的
紧密编织的,紧险的
adj.closely connectedintegratedunitedinterwoven
About half of them are Chinese, and the rest are Americans from Chengdu"s tightknit community of expatriates.
当中大约一半是中国人,其余是生活在成都的美国人。