吃透英语课本，提升在校竞争力
phrase. 不时地；偶尔
This section of the road is so norrow that there are bound to be traffic jams now and then.
这段路太窄， 交通有时不免堵塞。
If they are being honest, they will tell you they barely have the time, energy, and budget to help much beyond a pat on the back now and then.
如果他们说实话，就会告诉你除了偶尔在你背上拍一下表示赞许外，他们几乎没有支持实现新思想的时间、精力和预算。
I visit my grandparents now and then.
我时不时去看望我的祖父母。
I go jogging now and then.
我偶尔去慢跑。
