thrust against (someone or something)
1. To press, push, or grind up against someone or something. Some sleazebag at the bar started thrusting against me on the dance floor, so I asked the bouncer to have him thrown out. The tree had grown at an awkward angle and was now thrusting against the side of the house.
2. To push, shove, slam, or drive someone or something against someone or something else. The detective thrust the suspect against the wall, threatening to shoot him in the face if he didn't reveal the hostage's location. I thrust a heavy wooden chair against the door to keep it closed.
3. To cause something to be compared to, juxtaposed with, or considered alongside something else. Your issues become downright laughable when you thrust them against the harrowing traumas suffered everyday by people around the world. My project suddenly seemed rather inconsequential once it was thrust against the things other departments were working on.
thrust at (someone or something)
1. To make a lunge or stab at someone or something. The criminal thrust at the police officer with his knife. She suddenly thrust at the desk and snatched the paper away before he could read it.
2. To jab, drive, or stab something at someone or something. In this usage, a noun or pronoun can be used between "thrust" and "at." The criminal thrust his knife at the police officer. Reporters kept thrusting their microphones at my face as I left the courtroom.
3. To push, shove, or drive someone toward someone or something. In this usage, a noun or pronoun can be used between "thrust" and "at." I thrust her at Mike during the party in the hopes of getting them together. She thrust the baby at me as soon as I walked in the door so she could go lie down for a while.
thrust someone or something against someone or something
to drive or shove someone or something against someone or something. The force of the crash thrust Liz against Tiffany. The crash thrust Liz against the car door.