Siarad, fusser5: 'flat'

678	ENA	ac [?] os dyn nhw (y)n codi (y)r &k llawr ## (dy)dy (r)hein ddim yn mynd i fynd yn_ôl i_lawr yn flatCE ac yn gall wedyn nac (y)dyn ?
		and if be.3PL.PRES PRON.3PL PRT raise.NONFIN DET floor be.3S.PRES.NEG these NEG PRT go.NONFIN to go.NONFIN back down PRT flat and PRT wise after NEG be.3PL.PRES
		and.CONJ if.CONJ man.N.M.SG they.PRON.3P PRT lift.V.INFIN the.DET.DEF floor.N.M.SG be.V.3S.PRES.NEG these.PRON not.ADV+SM PRT go.V.INFIN to.PREP go.V.INFIN+SM back.ADV down.ADV PRT flat.ADJ and.CONJ PRT be_able.V.3S.PRES.[or].be_able.V.2S.IMPER.[or].sane.ADJ+SM afterwards.ADV PRT.NEG be.V.3P.PRES
		and if they take up the floor, these aren't going to go back down flat and sensible, are they?
683	GWE	wnes i (dd)im disgyn yn flatCE ond +/ .
		do.1S.PAST PRON.1S NEG fall PRT flat but
		do.V.1S.PAST+SM I.PRON.1S not.ADV+SM descend.V.INFIN PRT flat.ADJ but.CONJ
		I didn't fall flat, but...
764	ENA	does (y)na (ddi)m_byd erCE xxx flatCE (y)na nag oes ?
		be.3S.PRES.NEG there nothing IM flat there NEG be.3S.PRES
		be.V.3S.PRES.INDEF.NEG there.ADV nothing.ADV+SM er.IM flat.ADJ.[or].blat.SV.INFIN+SM there.ADV than.CONJ be.V.3S.PRES.INDEF
		there's nothing [...] that flat, is there?