chaff|chaffed|chaffing

飞行员释放了箔条来干扰敌方的雷达系统。

The pilot released ___chaff to confuse the enemy radar system.

我们经常拿他唱歌走调开玩笑。

We often ___chaffed him about his off-key singing.

别在意那些闲言碎语，都是些毫无意义的废话。

Don't pay attention to those ___chaffing remarks—they're all meaningless nonsense.