自首

He voluntarily surrendered himself to the police.

他警方自首。

After hiding in the woods for weeks,the criminal gave himself up.

该罪犯在森林里躲了几个星期后自首了。

We should not insult them, take away their personal effects or try to exact recantations from them, but without exception should treat them sincerely and kindly.

不加侮辱，不搜财物，不要自首，一律诚恳和气的态度对待之。