notadictionary.com
旦那がボロボロ泣きながらリビングに降りてきたから何かと思ったら、
→ “My husband came down to the living room crying his eyes out, so I thought something was wrong...”
旦那 danna = husband (noun)
が ga = subject marker particle (grammatical role: marks the subject 'danna')
ボロボロ boroboro = crying profusely / in tatters (onomatopoeia/interjection used as adverb)
泣き naki = cry / weep (verb stem)
ながら nagara = while doing... / as..., expressing simultaneous action (grammatical suffix)
リビング ribingu = living room (loanword from English)
に ni = directional particle indicating destination/movement towards (grammatical role: marks direction)
降りて orite = coming down / descending (te-form of verb 'oru')
降 fu = to descend / drop
り ri = downward motion (part of compound verb)
きた kita = came (past tense of 'kuru', here meaning 'to arrive' or 'come down')
から kara = because / since (conjunction/particle marking reason/causality)
何か nanika = something (pronoun + indefinite suffix)
と to = quote particle (grammatical role: introduces a thought or spoken words)
思ったら omotara = when I thought / thinking that (conditional form of 'omou')
思 omo = to think
たら tara = if/when (conditional suffix)
