4.never to enter your mind or never to enter your head从来没有想过
It never enters his mind that anyone is better than him.他从没想过会有谁比他更好。
Though she enjoyed flirting with Matt, it had not entered her head to have an affair with him.虽然她喜欢和马特打情骂俏, 但从未想过要和他相好。