告便

告便	gào biàn	to ask to be excused / to ask leave to go to the toilet
告	gào	(bound form) to say; to tell / to announce; to report / to denounce / to file a lawsuit; to sue
便	biàn	plain / informal / suitable / convenient / opportune / to urinate or defecate / equivalent to 就: then / in that case / even if / soon afterwards
便	pián	used in 便宜 / used in 便便 / used in 便嬛