Le livre Total English - Avancé - Unité 1 - Leçon 1

to learn to perform or use a skill or ability thoroughly and completely

maîtriser

to intentionally not take action or not address an issue or problem, especially when one should have, often resulting in a negative consequence

to acquire a new skill or language through practice and application rather than formal instruction

apprendre, acquérir

to mix up, distort, or confuse information, typically in a way that makes it difficult to understand or use

falsifier

an amount that exists in excess

surcharge, excès

to make random, meaningless sounds

babiller, baragouiner

difficult or impossible to understand or comprehend due to lacking clarity in speech, writing, or communication

inintelligiblement, de manière incompréhensible

the spoken form of a language specific to a certain region or people which is slightly different from the standard form in words and grammar

dialecte