切莫

切莫	qiè mò	you must not / Please don't... / be sure not to / on no account (do it)
切	qiē	to cut; to slice; to carve / (math.) tangential
切	qiè	definitely; absolutely (not) / (scoffing or dismissive interjection) Yeah, right.; Tut! / to grind / (bound form) close to / (bound form) eager / to correspond to / (used to indicate that the fanqie 反切 system should be applied to the previous two characters)
莫	Mò	surname Mo
莫	mò	do not / there is none who