不留隐患
remove hidden perils
不履行合同
breach the contract / not execute a contract
不落俗套
be unconventional
不民主现象
undemocratic practices
不能成立
be untenable / not hold water
不能自圆其说
untenable argument
不平坦
no plain sailing
不切实际的高指标
unrealistically high target
不容拖延
brook no delay
不如别人
be inferior to others
不尚空谈
refrain from empty talk
不慎重的言论
indiscreet statement
不听劝告
turn a deaf ear to all advice / ignore advice
不同政治观点
different political views
不卫生的习惯
unhygienic habit
不问是非曲直
make no distinction between right and wrong
不相符合
not in keeping with / not conform to / be inconsistent with
不屑于
disdain to do something
不朽著作
immortal writings (works)
不要上当
not allow oneself to be misled (taken in)
不一条心
think differently / not of one mind
不以人的意志为转移
independent of man's will
不在眼里
beneath one's notice
不正之风
unhealthy tendencies / unhealthy practices
不走资本主义的邪路
not turn off onto the wrong road, the road to capitalism
(来源:中央编译局)