投案自首 surrender oneself to justice [the police; the court]; give oneself up to the police [government]; go to the police and confess; voluntary surrender to court
投案 give oneself up to the police; surrender oneself to the police 向国家检察机关投案 surrender oneself to the country's procuratorial organs
自首 1.(向司法机关或有关部门检举自己) (of a criminal) voluntarily surrender oneself; confess one's crime; give oneself up (to law) 投案自首 surrender oneself to the police or judicial department2.(叛变; 投降) make a political recantation; surrender to the enemy; 自首书 confession