寻死
to attempt suicide; to court death
殉死
to be buried alive as sacrifice (together with husband or superior)
徇私枉法
to bend the law in order to favor one's relatives or associates (idiom)
徇私舞弊
bribery and fraud (idiom)
自寻死路
to follow the path to one's own doom (idiom); to bring about one's own destruction