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Related to penetrate: penetrate into
penetrate into (someone or something)
To pierce, enter into, and stop inside of someone or something. The bullet penetrated into my chest through the body armor, but it thankfully did not pierce my heart or lungs. All kinds of radio waves penetrate into us throughout the day, but none are known to be harmful.
penetrate through (someone or something)
To pierce and pass completely through someone or something. The bullet penetrated through my body armor, but thankfully only pierced the skin of my chest. I hate getting X-rays—I just feel like anything that can penetrate through you is probably not the safest thing in the world!
penetrate (something) with (something)
To use something in order to pierce something else. We'll have to penetrate the rock layer with dynamite. The sniper penetrated the armored window with a high-caliber, high-velocity rifle.
penetrate into someone or something
to pierce into someone or something; to stick deep into someone or something. The lance penetrated into the knight, right through his armor. The bullet penetrated into the wall.
penetrate something with something
to pierce something with something. I could not even penetrate the steel door with a cold chisel. It was easy to penetrate the lid with a can opener.
penetrate through something
to pierce all the way through something. (Some people will view the through as redundant.) The bullet could not penetrate through the metal plating. It did not have enough force to penetrate through the steel.