不得转让 not negotiable

　　不分上下的总统选举结果 the neck-and-neck presidential elect ion result

　　不感冒 have no interest

　　不搞劳民伤财的“形象工程” refrain from building “vanity projects ”that waste both

　　money and manpower

　　不管部部长 minister without portfolio

　　不怀恶意的谎言 white lie

　　不记名投票 secret ballot

　　《不见不散》 Be there or be square.

　　不结盟运动 non-aligned movement

　　不可抗力 force majeure

　　不可推卸的责任 compelling obligation

　　不可再生资源 non-renewable resources

　　布雷顿森林体系 Bretton Woods System

　　不良贷款 non-performing loan

　　不买账 not take it; not go for it

　　不眠之夜 white night

　　不明飞行物 unidentified flying object (UFO)

　　不拿原则换人情 refrain from seeking personal favor at the expense of principle

　　补缺选举 by-elect ion

　　不惹是非 Stay out of trouble.; Let sleeping dogs lie.