lie back
1．get into or be in a lying position 躺下
Lie back，and you'll be more comfortable．向后靠，这样你会舒服些。
She lay back in bed．她仰着躺在床上。
2．stop working；rest 停止忙碌；休息
After a busy life he was content to lie back and take it easy．经过一生忙碌的生涯后，他对能休息下来享受清闲的生活而感到满足。