这些烦人的苍蝇让我们的野餐变得很不愉快。

Those ___plaguey flies made our picnic really unpleasant.

这讨厌的蚊子整晚都在嗡嗡叫，让我没法睡觉。

Those ___plaguey mosquitoes kept buzzing all night and wouldn't let me sleep.