to have a very bad headache
у меня ужасная головная боль (u menya uzhasnaya golovnaya bol)
"I can’t focus right now; I have a splitting headache."
"Я не могу сосредоточиться сейчас; у меня ужасная головная боль." (ya ne mogu sosredotochitsya seychas u menya uzhasnaya golovnaya bol)
To do your fair share of work.
to take responsibility for something difficult or unpleasant
a short period when one has a chance to act effectively
the truth will eventually be revealed
full of energy and not tired
To start successfully; to begin operating.
