Complex sentence: Malaysian (Malay: "Bahasa Malaysia"), or Standard Malay, is the official language of Malaysia and a standardised register of the Johore-Riau dialect of Malay.
Split into simpler sentences: Malaysian (Malay: "Bahasa Malaysia"), or Standard Malay the name regularly applied to the Malay language used in Malaysia. Malaysian is a standardised register of the Johore-Riau dialect of Malay.