他們壟斷了原物料供應，並開天價。

They monopolized the supply market and drastically raised prices.

Source: Tatoeba

Sentence Composition

1 他們 tāmen they; them
2 壟斷 lǒngduàn to monopolize
=3 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=3 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)
=3 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=3 了 liào unofficial variant of 瞭 liào
4 原物料 yuánwùliào raw material
5 供應 gōngyìng to supply; to provide (goods, services etc)
=6 並 bìng
  1. and
  2. furthermore
  3. also
  4. together with
  5. (not) at all
  6. simultaneously
  7. to combine
  8. to join
  9. to merge
=6 並 bàng
  1. (obsolete on its own in Standard Chinese) alternative form of 傍 (“to be near; approaching”)
  2. alternative form of 傍 (“to be near; approaching”)
7 開 kāi
  1. to open (transitive or intransitive)
  2. (of ships, vehicles, troops etc) to start
  3. to turn on; to put in operation; to operate; to run
  4. to boil
  5. to write out (a prescription, check, invoice etc)
  6. (directional complement) away; off
  7. carat (gold)
  8. abbr. for Kelvin, 开尔文 Kāiěrwén
  9. abbr. for 开本 kāiběn, book format
8 天價 tiānjià
  1. extremely expensive
  2. sky-high price