The great Chinese people have suffered grievous losses; Chungking has been almost wiped out of existence--yet it remains the capital of an unbeatable China.
That is the main thing that I saw on my trip around the country-- unbeatable spirit.
We had bucked theunbeatable system, and we had lost.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "unbeatable" in a variety of sentences. We hope that you will now be able to make sentences using this word.