核电厂具危险性，更不用说核武器了。

Nuclear power plants are dangerous, not to mention nuclear weapons.

Source: Tatoeba

Sentence Composition

1 核电厂 hédiànchǎng nuclear power plant
2 具 jù
  1. tool
  2. device
  3. utensil
  4. equipment
  5. instrument
  6. talent
  7. ability
  8. to possess
  9. to have
  10. to provide
  11. to furnish
  12. to state
  13. classifier for devices, coffins, dead bodies
3 危险性 wēixiǎnxìng dangerous nature; potentiality of danger
4 更不用说 gèngbùyòngshuō let alone; not to mention; much less
5 核武器 héwǔqì nuclear weapon
=6 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=6 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 了 liǎo)
=6 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=6 了 liào unofficial variant of 瞭 liào