once in a while

同根派生

英汉例句

• We heard the occasional rumble of a passing truck.
  我们偶尔听到卡车驶过的隆隆声。
• He likes to hit the bottle once in a while.
  他喜欢偶尔喝得酩酊大醉。
• She can be a very tiresome child at times.
  她这孩子有时会很烦人的。
• Aircraft sometimes fuel while in the air.
  飞机有时在空中加油。