不得姑息养奸
No criminality is to be tolerated
不得人心
be unpopular / contrary to the will of the people
不发达地区
underdeveloped area
不分青红皂白
make no distinction between right and wrong / indiscriminately
不附加任何条件
with no conditions attached / unconditional
不干预政策
hands-off policy / noninterference policy
不敢惹
not dare to offend
不搞对抗
avoid confrontation
不公开审理
hear in closed session
不辜负希望
justify the hope of / not disappoint somebody / not let somebody down
不好交代
difficult to account for
不合国情
inconsistent with a country's traditions (conditions)
不怀好心
harbor evil designs
不计名利
seek neither fame nor gain
不间断电源
uninterrupted power supply (UPS)
不讲基本原则
not concern oneself with the basic principles of
不讲民主
without any sense of democracy / undemocratic
不结盟运动
Nonaligned Movement
不可撤消信用证
irrevocable letter of credit
不可怕
not terrifying / nothing to be feared
不吭一声
not say a word about / remain silent about / keep one's mouth shut
不劳不得
no pain, no gain
不良后果
adverse consequence
不良品德
bad character
不良行为
misdeed / bad behavior
（来源：中央编译局）
