It is wise of Linda to make up her mind to learn to play an instrument.

对琳达来说明智的做法是下定决心学会演奏乐器。

youdao

She couldn't make up her mind whether to go or not.

她又想去，又不想去，拿不定主意。

《新英汉大辞典》

My mother is very slow to make up her mind.

我母亲下决心很慢。 我母亲下决心很慢。

youdao

and you're looking to the menu and there are so many delicious things that she cannot seem to make up her mind.

你们看菜单时，发现有太多美味的菜肴，你的女友一时难以取舍。

I need 课堂 - SpeakingMax英语口语达人

Norie tries on two pairs, can't make up her mind and leaves.

CNN: ASIANOW - TIME Asia

"Every delegate with very few exceptions is free to make up his or her mind however they choose, " she told Time's Mark Halperin in an interview published Wednesday.

CNN: Obama camp: Clinton trying to 'distract attention'

"She's quite airy-fairy and likes to make her mind up last-minute, " said Ms. Ecclestone.

WSJ: The Ecclestones: The New First Family of Real Estate