bleed

If you cut your finger while chopping onions, press firmly on the wound to stop it from bleeding.

(Chinese) 如果你切洋葱时割破了手指，用力按住伤口以止血。

Internal injuries are dangerous because a person can bleed inside without any visible wounds.

(Chinese) 内伤很危险，因为一个人可能在没有可见伤口的情况下发生内出血。