jigsaw puzzle

n.

Noun

1. a puzzle that requires you to reassemble a picture that has been mounted on a stiff base and cut into interlocking pieces

1. A jigsaw puzzle can keep me absorbed for hours.
一副拼图就能让我沉醉几个小时。

来自《简明英汉词典》

2. After buying a new chain I was faced with the insurmountable task of putting the confusing jigsaw puzzle together again.
我买了一条新链子之后,便面临一个难以克服的任务:把这个使人眼花缭乱的“益智分合图”再重新组合起来。

来自《用法词典》