bad blood敌意；不和；恶感There is bad blood between them.他们之间感情不和。
Blood is thicker than water.血浓于水。
new blood新成员We need an injection of new blood with fresh ideas.我们需要有新观念的新人。
The company certainly need some fresh blood with new ideas.公司当然需要一些具有创见的新人。
(= fresh blood) in cold blood残酷而蓄意地I couldn't kill the mouse in cold blood.我不能残酷地弄死那只老鼠。
make sb.'s blood boil使勃然大怒
make sb.'s blood run cold使极度害怕