I learned a new skill.

Meaning: This sentence describes the new ability that the person acquired, which is that they learned a new skill.

Choice of Words: I is the subject of the sentence. Learned is the past tense of the verb learn and it means that the person acquired a new ability. New describes the skill that the person acquired. Skill is the ability to do something well.

Alternative Expressions

I picked up a new trick.

Meaning: This means that the person speaking has learned a new way to do something.

Choice of Words: I is the person speaking. Picked is a verb that means to choose or select something. Up is a preposition that means to move something to a higher position. A is an article that refers to one thing. New means something that has not been seen or done before. Trick is a noun that refers to a clever or skillful action.

I mastered a new ability.

Meaning: This means that the person speaking has become very good at doing something new.

Choice of Words: I is the person speaking. Mastered is a verb that means to become very good at something. A is an article that refers to one thing. New means something that has not been seen or done before. Ability is a noun that refers to a skill or talent.

Related Expressions