He invented a new game, but it never really caught on.

　　他發明了一種新的游戲，但從未真正流行起來。

　　He is credited with inventing the first true helicopter.

　　他被認為是發明第一架真正的直升機的人。

　　The company is credited with inventing the industrial robot.

　　發明工業機器人是那家公司的功勞。

　　What excuse did he invent this time?

　　他這次編了什么借口？

　　Many children invent an imaginary friend.

　　很多兒童都有一個假想朋友。

　　They invented some lamebrain scheme to get rich quick.

　　為發橫財，他們想出了個蠢辦法。