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"Enriquecidos" is a form of "enriquecido", an adjective which is often translated as "enriched". "Fortalecidos" is a form of "fortalecer", a transitive verb which is often translated as "to strengthen". Learn more about the difference between "enriquecidos" and "fortalecidos" below.
fortalecer(
fohr
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tah
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leh
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sehr
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. to strengthen
Los romanos mandaron un embajador para fortalecer la alianza contra los sirios.The Romans sent an ambassador to strengthen the alliance against the Syrians.
2. (physically)
a. to make stronger
Estoy haciendo bíceps para fortalecer mis brazos.I'm doing biceps to make my arms stronger.
3. (mentally)
a. to strengthen
La meditación y la contemplación fortalecen el espíritu.Meditation and contemplation strengthen the spirit.
b. to uplift
Esta novela de Hemingway fortalece la mente.The mind is uplifted by this Hemingway novel.
fortalecerse
A pronominal verb always uses a reflexive pronoun. (e.g., Te ves cansado.).
a. to get stronger
Nuestro amor se fortaleció después de la tragedia que vivimos.Our love got stronger after the tragedy we experienced.