I was afraid to be a step ahead of others, so I decided to summon up courage to tell you: Happy New year!

我又怕被别人抢先一步，所以我决定鼓起勇气告诉你：新年快乐！

youdao

She was trying to summon up the courage to leave him.

当时她试图鼓起勇气离开他。

《牛津词典》

Leave troubles grade, summon up courage to wear open-backed pants, rob snacks cheek, harder work, wish happiness belongs to you, children's happiness is belong to you!

给烦恼留留级，鼓起穿开裆裤的勇气，露出抢零食吃的厚脸皮，使出浑身吃奶的力气，愿幸福属于你，六一的快乐也属于你！

youdao

The handful of folks who were able to summon up the courage to enter the water were huddled into small groups a few feet offshore and periodically groups of teenage girls would shriek and run from the surf, inciting a mad scramble for the shore by the remaining bathers.

FORBES: You're Gonna Need A Bigger Boat

It was weeks before her death that Amy did summon up the courage to ask her family for help and begin the process of removing Morrison from her life.

BBC: How 'kind' boyfriend became violent bully