un

• Article

  a

• Num

testigo

1. witness (someone who sees something)
2. witness (one who is called upon to witness an event or action)

intentó

third-person singular preterite indicative of intentar

perseguirlo

infinitive of perseguir combined with lo

pero

• Conj

  1. but
  2. well well; so; well (used for emphasis)

• Noun

no

• Adv

  1. no
  2. not

• Intj
• Noun
• Noun

pudo

1. third-person singular preterite indicative of poder
2. first-person singular present indicative of pudir

alcanzarlo

infinitive of alcanzar combined with lo