The phrase "shield myself" is correct and usable in written English.
You can use this phrase when you are attempting to protect yourself from a negative situation. Example sentence: I needed to shield myself from the criticism so that I wouldn't become overwhelmed.
I, the watched, became like the watchers: scared, angry, on guard, protective of my mundane personal business, eager to shield myself from false accusations and willing to shirk civic interaction to do it.
I remember Tina Knowles, Bey's mom and I remember being out in the sun and I was trying to shield myself from the sun and she said, 'Are you crazy?' She said 'You are absolutely gorgeous' and she just told me how beautiful I was and how rare chocolate is and how gorgeous the skin is, all of this stuff.
Instinctively, I lean away and put my hands out to shield myself.
She said that she was wearing a black sweater — "partly to shield myself from this spitting rain falling in the valley but also to shield myself from the pat condolences I know I'll receive today" — and that she needed coffee.
Now I pulled my huge multicolored umbrella closer to my head to shield myself from the wind.
I TRIED to shield myself from the Beatles altogether — their music, images, conversations about them — but it's hard, if not impossible.
"I don't like living in a place and shielding myself from it entirely," he said.
I was shielding myself with my umbrella and it all landed on my umbrella.
Growing up, I spent a lot of time shielding myself, not allowing myself to experience moments because I was worried I would get hurt – either physically or emotionally.
It took a good few minutes to process and I was considering finishing the series there, shielding myself from more heartbreak and disappointment.
My mother lived with me for the last two years of her life and it was quite a good time for us except for her illness, but her ability to destroy me with her words was so visceral a threat I shielded myself in every way I could.
