"The last bat" can be translated as "最后一棒" in Chinese. In Engpsh, "the last bat" typically refers to the final bat used in a game or sport, such as baseball or cricket. For example, you might say "The team is down by one run and it's the last bat of the game." This means that the team is losing and only has one more chance to try to score before the game ends.

If you're trying to translate "最后一棒" more pterally, you could say "the final bat." Alternatively, you could say "the last turn at bat" or "the last at-bat," depending on the context in which the phrase is being used.