complaintn. 抱怨；诉苦；疾病；委屈
Dear Sir or Madam,I’m writing to lodge the complaint about the poor quality of an air conditioner that I purchased from Sun Appliance Company.
亲爱的先生或女士，我写这封信是想投诉件事，我在你们阳光电器公司买到一个质量很不好的空调。
来自：一封信件
Last year, a civil complaint filed against Roethlisberger also alleged sexual assault.
去年，在一件民事诉讼中，罗斯里斯伯格也被控告涉嫌性侵犯。
来自：Police to interview NFL’s Roethlisberger over sex assault al
He was admitted to hospital two weeks ago after suffering a chest complaint and died on Saturday, but his death has only just been announced.
他两周前因为胸痛被送往医院，于星期六逝世，但是他的去世消息刚刚才被公开。
来自：The world’s shortest man, He Pingping, dies aged 21
You do not have any complaint about my brother and I.
你对我和哥哥总是无怨无悔。
来自：写给妈妈的感恩信Letters to Thanks Mother
We all know that complaint can do nothing but only let you down.
我们都知道抱怨什么都解决不了，只会让你失望。
来自：如何应对压力 How to Cope with Stress
Although he experiences many unfortunate things, he isstillverykindand without complaint at anyone.
虽然他经历了许多不幸，但他依旧友好善良没有埋怨任何人。
来自：我最喜欢的漫画my favorite cartoon
It is free service for 24 hours to accept telephone alarm, appeal and complaint for the public.
这是免费的，并24小时受理群众的电话报警、求助和投诉。
来自：中国110宣传日的由来The Coming of China 110 Publicity Day
The parents still lodged a complaint to the relevant departments for solving the problem as soon as possible.
孩子家长仍在向各有关部门投诉以求尽快得到解决。
来自：3名体罚孩子的教职工被停职 Three staffs was Suspended for Physical Punishment to Children