Examples from literature

• Both were obviously amateurs at sheep-driving, and the smart, intelligent bull terrier was as much an amateur as either of them, for shepherd, shepherdess and dog were only doing what a good collie would achieve alone and unaided. 
• He was gone five minutes and returned with a scrawny bull terrier scrambling at his heels. 
• I had a very fine bull terrier which slept in the porch at night, the night-watchman also sleeping there. 
• The man stooped and patted the bull terrier, which had not evinced the slightest emotion at his entrance. 
• The two old standard breeds of world-wide reputation, the English bulldog and the bull terrier, had to be joined to make a third which we believe to be the peer of either, and the superior of both.