有些人痴迷于赚钱。

Some people ___are ___obsessed ___with making money.

当他工作时，他越来越痴迷于解决这个问题。

As he worked, he ___became ___obsessed ___with solving the problem.

她被失败的恐惧所困扰。

She ___was ___obsessed ___by fears of failure.