"Let's play a puzzle" 是一种说法，表示 "让我们一起玩拼图"。
"Let's" 是 "let us" 的缩写，表示 "让我们"。 "Play" 是 "玩"的意思， "a puzzle" 是 "一个拼图"的意思。
例句：
Let's play a puzzle together. (让我们一起玩拼图)
Do you want to play a puzzle with me? (你想和我一起玩拼图吗？)
I love playing puzzles with my family. (我喜欢和家人一起玩拼图)