bellyache

1. N-VAR Bellyache is a pain inside your abdomen, especially in your stomach. 腹痛[非正式]

2. V-I If you say that someone is bellyaching, you mean they complain loudly and frequently about something and you think this is unreasonable or unjustified. 发牢骚[非正式] [usu cont]

...belly-aching about recession. ...对经济萧条满腹牢骚。