I haven't slept better. 我睡得好极了.
You can't be too careful in your work. 你工作越仔细越好.
It has been 4 years since I smoked. 我戒烟４年了.
All his friends did not turn up. 他的朋友没全到.
People will be long forgetting her. 人们在很长时间内会记住她的.
He was only too pleased to let them go. 他很乐意让他们走.
It can't be less interesting. 它无聊极了.
It has been 4 years since he smoked
It has been 4 years since he started smoking