吉姆工作努力，而约翰却无所事事。

Jim works hard, but John is idle.

Source: Tatoeba

Sentence Composition

1 吉姆 Jímǔ a transliteration of the English male given name diminutive Jim
2 工作 gōngzuò
  1. to work
  2. (of a machine) to operate
  3. job
  4. work
  5. task

classifiers: 個, 份, 項
3 努力 nǔlì
  1. to make an effort; to try hard; to strive
  2. hard-working; conscientious
4 而 ér
  1. and
  2. as well as
  3. and so
  4. but (not)
  5. yet (not)
  6. (indicates causal relation)
  7. (indicates change of state)
  8. (indicates contrast)
5 约翰 Yuēhàn
  1. John (name)
  2. Johan (name)
  3. Johann (name)
=6 却 què old variant of 卻 què
=6 却 què
  1. but
  2. yet
  3. however
  4. while
  5. to go back
  6. to decline
  7. to retreat
  8. nevertheless
  9. even though
=6 却 qū
  1. to catch
  2. to dispel
  3. to hold up with both hands
7 无所事事 wúsuǒshìshì
  1. to have nothing to do
  2. to idle one's time away (idiom)