1.
A. Aaargh! I've scalded my hand.
B. Pour cold water on it immediately!
2.
A. Jess has given himself an electric shock!
B. Quick/quickly turn off the electricity and see if he's OK.
(to) pour - polać/wlać
immediately - natychmiastowo
(to) scald - oparzyć
an electric shock - wstrząs elektryczny
(to) turn off - wyłączyć