They face many challenges.

Meaning: Birds encounter many difficulties during their migration, such as storms, predators, and lack of food.

Choice of Words: Face means to meet something difficult or unpleasant. Many means a large number of something. Challenges are difficult situations or problems. When you put them together, it means that they meet many difficult situations or problems.

Alternative Expressions

They encounter numerous obstacles.

Meaning: This sentence means that a group of people or things are meeting or experiencing many things that make it difficult to progress or achieve something.

Choice of Words: They is a pronoun used to refer to a group of people or things. Encounter means to meet or experience something. Numerous means a large number of something. Obstacles are things that make it difficult to progress or achieve something.

They experience many difficulties.

Meaning: This sentence means that a group of people or things are feeling or going through many things that are hard to do or deal with.

Choice of Words: They is a pronoun used to refer to a group of people or things. Experience means to feel or go through something. Many means a large number of something. Difficulties are things that are hard to do or deal with.

Related Expressions