Sometimes I feel afraid of sailing by myself, but I still enjoy doing it.

有时我对独自航行感到害怕，但我仍然乐在其中。

youdao

She could feel hundreds of pairs of eyes looking at her, and that made her feel afraid.

她能感觉有几百只眼睛在看着她，这让她感到害怕。

youdao

I started to feel afraid of going out alone at night.

我开始害怕夜间单独外出了。

《牛津词典》

I'm only afraid of losing you.I feel like you're gonna disappear.

VOA: standard.other

It's quite nice to feel afraid vicariously and then have it all tied up neatly at the end.

BBC: How unrealistic is murder on television?

Nobody feels alone, and fewer people feel afraid, so they come out louder.

FORBES: Unbelievable! Atheists to Rally in Record Numbers

Children need their parents' support in recognizing that bad things can happen, that we can feel afraid and saddened.

CNN: Dr. Steven Marans: Talking to children about violence