Antonyms
Grouchy
Cheerful
lose track of ...
time
to quit doing something
give up
Content (adj)
dissatisfied
To think on your ...
feet
to meet someone unexpectedly
run into
lethargic
energetic
Turn over a new ...
leaf
to clarify a misunderstanding
to clear up
bleak
bright
warmed ... to his theory
up
to convince someone to do something
talk into
linear
indirect
rested and ...
rejuvenated
to keep your feelings inside
bottle up