- complain
 - [kəm'plein]
 - vi. 投诉;发牢骚;诉说
vt. 抱怨;控诉 
参考例子
           - 1.They never complained about working overtime.
 - 他们对加班加点从来不抱怨。
 
- 2.Many students often complain about school.
 - 许多学生时常抱怨学校。
 
- 3.Yet critics will have plenty to complain about.
 - 然而,批评家们将仍有许多抱怨。
 
英文解释
           - v.
 - 1.express complaints, discontent, displeasure, or unhappiness
 - 2.make a formal accusation; bring a formal charge
 
网络释义
               - complain
 - 抱怨; 投诉; 投诉与举报; 抱怨说;
 
- complain of
 - 抱怨; 抗议; 诉苦; 主诉;
 
- complain -
 - 抱怨,诉苦;
 
- charge complain
 - 控诉;
 
- complain loudly
 - 非常生气,大声抱怨;