À

capital of à

quoi

• Pron

  1. what
  2. (colloquial) what
  3. what, (that) which
  4. what, (that) which
  5. enough (of something specific)
  6. nothing
  7. whatever
  8. whatever

• Adv
• Phrase

ça

• Pron

  1. (informal) that
  2. (informal) this
  3. it
  4. used to indicate actions happening generally without specifying an agent, like on but with a greater suggestion of mass, generalized, unattributable, or confused action; people
  5. they

• Noun

sert

third-person singular present indicative of servir

plus

• Adv

  1. more, -er (used to form comparatives of adjectives)
  2. more, -er (used to form comparatives of adverbs)
  3. more, -er (indicating a higher degree or quantity)
  4. more (indicating a greater quantity)
  5. more (supplementary, preceded by de)
  6. the most, -est (used to form superlatives of adjectives and adverbs)
  7. no longer, not ... any more
  8. the more ..., the more ...
  9. the more ..., the ...

• Noun
• Verb
• Verb

longtemps

for a long time; over a long period