he doesn’t speak
Il ne parle pas un mot d'anglais.
He doesn't speak a word of English.
Il ne parle pas seulement le français, mais aussi l'anglais.
He speaks not only French, but also English.
Il ne parle pas seulement en français, mais aussi en espagnol.
He not only speaks French, but also Spanish.
He doesn't speak my language.
Il ne parle pas beaucoup, mais on se comprend.
He doesn't talk much, but we understand each other.
— Salé, Sucré (1994)
Il ne parle pas l'anglais, encore moins l'allemand.
He doesn't speak English, let alone German.
Il faut aller l'accueillir, il ne parle pas russe.
We need to go meet him; he doesn’t speak Russian.
— Guerre et Paix (1968)