当てもないは英語で？

女房が映画に行きたがっていることがよくわかったので、いじわるな亭主は一計を案じ、くるあてもない来客を家で待つことにした。

Knowing very well that his wife wanted to go to a movie, the husband, who was a dog in the manger, cooked up a scheme whereby they had to stay at home waiting for a certain visitor who was not expected to come.

そのあてもないのに、父親の財産相続を口にするとは、ボッブも根も葉もないことをいう人だ。

Bob went about building his castle in Spain when he spoke of inheriting his father's wealth.