The two languages he’s inarticulate in are English and Spanish.
I’d say he’s inarticulate in English and without a clue in Spanish. But that’s OK because so am I and a disjointed speech pattern is an American tradition, especially for Texans. Witness Boomhauer (a sort of personal role model), by Beavis and Butthead creator Mike Judge.
(AHD) articulate:
ADJECTIVE: 1. Endowed with the power of speech. 2. Composed of distinct, meaningful syllables or words, as human speech. 3. Expressing oneself easily in clear and effective language: an articulate speaker. 4. Characterized by the use of clear, expressive language: an articulate essay. 5. Anatomy Consisting of sections united by joints; jointed.
VERB: Inflected forms: ar·tic·u·lat·ed, ar·tic·u·lat·ing, ar·tic·u·lates
TRANSITIVE VERB: 1. To pronounce distinctly and carefully; enunciate. 2. To utter (a speech sound) by making the necessary movements of the speech organs. 3. To express in coherent verbal form; give words to: couldn’t articulate my fears. 4. To fit together into a coherent whole; unify: a plan to articulate nursing programs throughout the state. 5. Anatomy To unite by forming a joint or joints. 6. Architecture To give visible or concrete expression to (the composition of structural elements): a spare design in which windows and doors are barely articulated.
INTRANSITIVE VERB: 1. To speak clearly and distinctly. 2. To utter a speech sound. 3. Anatomy To form a joint; be jointed: The thighbone articulates with the bones of the hip.
ETYMOLOGY: Latin articultus, past participle of articulre, to divide into joints, utter distinctly, from articulus, small joint. See article.
Now I know why they call them articulating buses.