I wrote that song just to cheer myself up.

我写了那首歌只是让自己振作起来。

《柯林斯英汉双解大词典》

I'm trying to cheer myself up now.

我正试图让我自己振作。

youdao

Then I'd rather go have some fun and cheer myself up.

那么我宁可玩乐一下，使自己高兴起来。

youdao

In a successful attempt to cheer myself up, I went to an unpretentious campus that is a techie nirvana just outside Cambridge, to talk to Warren East, the chief executive of a British company, ARM, that is an acknowledged world leader.

BBC: If growth's the problem, are more ARMs the answer?