1. No one was ever bored watching him—his subtle acting made everything entertaining (entertain). (宾语补足语)
2. He grew more and more popular as his charming (charm) character, the little tramp, became known throughout the world. (定语)
3. He walked around stiffly carrying a walking (walk) stick. (定语)
4. The acting is so convincing (convince) that it makes you believe that it is one of the best meals he has ever tasted. (表语)
