無論外面多麼寒冷，房間始終既舒適又溫暖。

No matter how cold it is outside, the rooms are comfortably heated.

Source: Tatoeba

Sentence Composition

1 無論 wúlùn
  1. no matter what or how
  2. regardless of whether...
2 外面 wàimiàn
  1. outside (also pr. wàimian for this sense)
  2. surface
  3. exterior
  4. external appearance
3 多麼 duōme
  1. how (wonderful etc)
  2. what (a great idea etc)
  3. however (difficult it may be etc)
  4. (in interrogative sentences) how (much etc)
  5. to what extent
4 寒冷 hánlěng
  1. cold (climate)
  2. frigid
  3. very cold
5 房間 fángjiān room

classifiers: 間, 個
6 始終 shǐzhōng
  1. from beginning to end
  2. all along
7 既 jì
  1. already
  2. since
  3. both... (and...)
8 舒適 shūshì
  1. cozy
  2. snug
9 又 yòu
  1. (once) again
  2. also
  3. both... and...
  4. and yet
  5. (used for emphasis) anyway
10 溫暖 wēnnuǎn warm