He has a headache , rankling bones and joints .

他头痛，骨头、关节也痛。

A series of scuttled deals is rankling chinese firms trying to invest in u.s. businesses and throwing fuel on an increasingly tense trade relationship between the world 's two largest economies .

一系列以失败告终的交易令试图投资美国企业的中资公司痛苦不已，并开始加剧中美这两个世界最大经济体之间日益紧张的贸易关系。