the quality of being very determined and thinking only about achieving a particular thing

His quiet single-mindedness allowed him to accomplish something that others had been trying to do for years. 他的沉默专注态度使他得以完成其他人多年努力却未能做到的事情。

They demonstrated a remarkable single-mindedness in pursuing their goals. 他们在追求目标时表现出非凡的执着。