* Pagrereklamo (formal) - This is the most common and direct translation, emphasizing the act of complaining.
* Pagbubungisngis (informal) - This refers to a low, rumbling sound, often associated with disapproval.
* Pagmamaktol - This specifically refers to complaining in a whining or petulant manner.
* Pagrereklamo (informal) - This is a less formal version of "pagrereklamo" and is often used in everyday conversation.
The best translation depends on the context and the specific nuance you want to convey.