Cleanness of teeth in that area make many people die.

　　那個地區的食物缺乏導致多人死亡。

　　I felt there was a certain coldness in her manner.

　　我覺得她的態度有點冷淡。

　　The coldness and distance in her voice took me by surprise.

　　她話語中透出的冷淡和疏遠使我感到意外。

　　She was hurt by the coldness in his voice.

　　他說話的冷漠語氣讓她很傷心。

　　He discerned a certain coldness in their welcome.

　　他覺察到他們的歡迎有點冷淡。