The other half discovered the container was empty—and realized the tester had fooled them.

另外一半（孩子）发现容器是空的，并意识到测试员欺骗了他们。

youdao

The other half discovered the container was empty—and realized the tester had fooled them.

另外一半（孩子）发现容器是空的，并意识到测试员欺骗了他们。

youdao