In practice, yes it is virtually silent unless one makes a special effort to pronounce it. When we have a consonant cluster here /ktl/ one sound is often not heard. The linguistice term for it is “dissimilation”.
Do you pronounce the L in guillotine?
Guillotine Despite the oft-heard GEE-uh-teen, this word is traditionally pronounced GILL-uh-teen. In the early 19th century, Noah Webster’s American Dictionary of the English Language called for the l’s to be pronounced. The word is properly pronounced with the emphasis on the second syllable.
How do you pronounce Nguyen in English?
Southern Vietnamese tend to clip some of their sounds, so Nguyen would be pronounced something like “Win” or “Wen.” Northern Vietnamese would keep it, giving a pronunciation more like “N’Win” or “Nuh’Win,” all done as best you can in one syllable.