cold expression meaning in Chinese

冷冰冰的脸色

Kirby nodded, with a cold expression .
柯比带着冰冷的神情点了点头。
And again the stiff and cold expression came back into his face
于是他的眼神又像原来一样冷淡。
As for me , my heart beat so violently that it took my breath away . but i managed to give a cold expression to my face and a cold greeting to my former mistress , who went back to her carriage almost at once and got into it with her friend . i knew marguerite
而我呢，我的心剧烈地跳动，冲击着我的胸膛，但是我总算还保持了冷静的脸色，淡漠地向我过去的情妇弯了弯腰，她几乎立即就向马车走去，和她的女朋友一起坐了上去。