slightest amount

• 丝毫也不

  not in the slightest

• 丝毫也不让步

  not budge an inch

• 丝毫不感到害怕

  not feel an ounce of fear

• 丝毫没改变

  not changed a jot

• 丝毫不能改变

  cannot be changed at all

• 不容许有丝毫改变

  not permit any change

• 丝毫不知

  not know a thing

• 丝毫不假

  not at all false

• 不能有丝毫怀疑

  cannot have the slightest suspicion

• 丝毫也不能放松警惕

  cannot let one's guard down even the slightest bit