now and then

基本解释

This section of the road is so norrow that there are bound to be traffic jams now and then.
這段路太窄，交通有時不免堵塞。
《新英漢大辤典》
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.
如果他們說實話，就會告訴你除了偶爾在你背上拍一下表示贊許外，他們幾乎沒有支持實現新思想的時間、精力和預算。
Besides that, our parents let us e-mail sometimes, and we still get to talk and crack up together on the phone now and then.
除了這個之外，有時，我們的父母還讓我們互相發郵件，我們時常通過電話彼此交談，一起哈哈大笑！

Now and then the princess had seen her looking at and talking to the young man.
Every now and then you read in the newspaper about somebody whose parachute failed to open and so they died.
不時地你會在報紙上看到,某人的降落繖沒打開導致他們死了。
耶魯公開課 - 死亡課程節選
but I like to, every now and then, I take a walk over there, just cut through Central Park
我喜歡時不時地穿過中央公園，到河濱公園散步，
我的愛好是讀書 - SpeakingMax英語口語達人

Sure, I buy ebooks for my Kindle every now and then, but I want the bookstore!
FORBES: E-Reader Maker Kobo Responds To Borders' Liquidation News