I went to the locksmith to make a duplicate key.

In order to maintain the security of encrypted communication, we perform key exchanges regularly.

Every morning, I check the lock opening before leaving the house.

I forgot my key and ended up not being able to get into my house.

This ancient ruin is engraved with the shape of a counterclockwise swastika.

Transitive verbs require an object that is directly moved by the subject.

My new laptop computer is very fast.

My new desktop computer is very fast.

He always acts as if it's someone else's concern.

He passionately discussed the problem of other minds in his philosophy class.