元気を出せ。そのうちなんとかなる。

lively; full of spirit; energetic; vigorous; vital; spirited; healthy; well; fit; in good health

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to take out; to get out; to put out; to reveal; to show; to submit (e.g. thesis); to turn in; to publish; to make public; to send (e.g. letter); to produce (a sound); to start (fire); to serve (food); to begin ...; to start to ...; to burst into ...

before very long; soon; eventually; sooner or later; of the previously mentioned

something; something or other; so-and-so; somehow; anyhow; one way or another

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...