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"Dificultades" is a form of "dificultad", a noun which is often translated as "difficulty". "Fortalezas" is a form of "fortaleza", a noun which is often translated as "strength". Learn more about the difference between "dificultades" and "fortalezas" below.
la dificultad(
dee
-
fee
-
kool
-
tahd
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
a. difficulty
El videojuego tiene tres niveles de dificultad: fácil, normal y difícil.The video game has three difficulty levels: easy, normal, and hard.
a. problem
Sandra es discapacitada y tiene dificultades para caminar.Sandra is disabled and has problems when trying to walk.
b. difficulty
La transmisión se cortó por dificultades técnicas.The broadcast was down due to technical difficulties.
4. (opposition)
a. objection
Iván puso dificultades para sabotear nuestro plan.Ivan raised objections to sabotage our plan.
la fortaleza(
fohr
-
tah
-
leh
-
sah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
a. strength
Se necesita mucha fortaleza para levantar esas botellas de diez galones.It takes a lot of strength to lift those ten-gallon bottles.
2. (building)
a. fortitude
Su fortaleza se desarrolló cuando estaba atrapado tras líneas enemigas.His fortitude developed when he was trapped behind enemy lines.