leur

• Pron

  (to) them

• Det

est

• Adj

  east

• Noun
• Verb

convaincre

to convince

Laurent

1. a male given name, feminine equivalent Laurence, equivalent to English Laurence or Lawrence
2. Laurent: a surname originating as a patronymic, equivalent to English Lawrence or Laurence

de

• Prep

  1. of (expresses belonging)
  2. of (used to express property or association)
  3. from (used to indicate origin)
  4. of (indicates an amount)
  5. used attributively, often translated into English as a compound word
  6. from (used to indicate the start of a time or range)
  7. used after certain verbs before an infinitive, often translated into English as a gerund or an infinitive
  8. by (indicates the amount of change)

• Article
• Noun

manière

• Noun

  manner, way

• Adv

le

• Article

  1. the (definite article)
  2. Used before abstract nouns; not translated in English.
  3. Used before the names of most countries, many subnational regions, and other geographical names including names of lakes and streets; not translated into English in most cases.
  4. the; my, your, etc.
  5. a, an, per
  6. on

• Pron

mission

1. mission (duty that involves fulfilling a request)
2. mission (religious evangelism)