许多居民抱怨建筑噪音太大。

Many residents ___complain about the loud construction noise.

他抱怨说自己的建议在会议上被忽视了。

He ___complained that his suggestions were ignored at the meeting.

如果你的餐食是凉的，你应该向餐厅经理投诉。

If your meal is cold, you should ___complain to the restaurant manager.