Blood is thicker than water.血浓于水
Be able to do something in your sleep 闭着眼睛也能。。。
Have money to burn 烧钱
keep somebody at arm&`&s length 和。。。保持距离
in black and white 非黑即白
This issue is not black and white. 这个问题不是非黑即白的。(灰色地带)
shut/close your eyes to something 对。。。视而不见
Two heads are better than one. 三个臭皮匠赛过诸葛亮