Thirteen

usgb/ˌθɜːrˈtiːn/Volume
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LampPro Tip 1/3
Superstition LinkPlay
Thirteen is considered unlucky in some cultures, especially when paired with Friday. SlideMany buildings skip the thirteenth floor due to superstition.
LampPro Tip 2/3
Counting AccuracyPlay
Pay attention to 'teen' sound at the end; it can be confused with 'thirty' when not enunciated clearly. SlidePlease bring me thirteen (not thirty) chairs for the guests.
LampPro Tip 3/3
Not Actual TimePlay
Avoid saying 'thirteen o'clock'; it is not standard as the 24-hour clock resets after twelve. SlideInstead of 'thirteen o'clock', say 'one o'clock PM' or '13:00'.