For example, did you know that 1 in 4 teenagers has tried marijuana?
比如,你是否知道4个青少年中就有1位曾经吸过大麻?
Only when he saw that the man was actually telephoning the police did he realize that they had all been the victims of a hoax.
当他看到那个工人真的是给警察挂电话,才恍然大悟,原来他们都成一场骗局的受害者。