lie in

US /laɪ ɪn/
UK /laɪ ɪn/
"lie in" picture
1.

睡懒觉, 赖床

to stay in bed later than usual in the morning

:
I love to lie in on weekends.
我喜欢在周末睡懒觉
She decided to lie in after a late night.
熬夜后她决定睡个懒觉
2.

在于, 位于

to be located or situated in a particular place or position

:
The solution to the problem may lie in further research.
问题的解决方案可能在于进一步的研究。
His strength does not lie in his physical power, but in his intelligence.
他的力量不在于体力,而在于智力。