Kev sib txuas lus yog ib lub hom phiaj tseem ceeb ntawm cov lus thiab koom nrog kev siv ntau yam kev txhais los ntawm cov kab lus lexical. Ntawm ntau txoj hauv kev ntawm kev nthuav qhia hauv Lavxias, cov uas, raws li lawv lub hom phiaj ua haujlwm, koom nrog kev sib tham lossis phau ntawv style, feem ntau txawv. Thawj qhov kev xaiv yog siv ntau dua hauv kev hais lus txhua hnub, uas yog siv rau hauv qhov chaw tsis raug cai lossis hauv kev sib tham tus phooj ywg los pauv kev xav, kev xav thiab cov ntaub ntawv. Nws siv cov lus sib tham, uas yog tus cwj pwm los ntawm kev yooj yim, lub peev xwm semantic thiab kev ywj pheej ntawm kev hais tawm, muab kev ua neej nyob thiab xim rau cov kab lus.
Cov lus hais lus tau tsim nyob hauv nroog ib puag ncig, yog li nws tsis muaj cov lus hais thiab txawv ntawm cov lus hauv phau ntawv. Nws tuaj yeem pom ob qho tib si hais lus thiab sau ntawv hauv cov ntawv thiab sau ntawv. Cov lus no siv cov nqe lus thiab cov kab lus uas muaj cov xim uas muaj kev xav zoo siab (ironic, hlub, paub, tsis pom zoo, thiab lwm yam). Nws kuj txwv tsis pub siv cov lus tsis txaus ntseeg, lus txawv teb chaws thiabterminology. Kev sib tham ua haujlwm ntawm kev hais lus yog tus cwj pwm los ntawm cov kab lus sib xws thiab nruab nrab (tsev, huab cua, sijhawm). Suffixes ntawm kev ntsuam xyuas subjective nrog ib tug exaggerated los yog diminutive lub ntsiab lus yog dav siv (hnub,
coldina, sweetie, av), nrog rau cov lus hais: - rau - (tswj tswm ciab, qhov cub), - yaga (tus neeg pluag, tus neeg ua haujlwm hnyav), - yatina (nudyatina, vulgarity), - sha (tus saib xyuas, kws kho mob)Ntxiv rau, cov lus sib tham ua cov npe thiab cov lus qhia ntawm kev ntsuas lub ntsiab lus (rog, eared, loj-eyed, tham, ua si, noj qab haus huv, ua si pranks, thiab lwm yam). Rau kev nthuav qhia ntau dua, siv ob npaug ntawm cov lus (zoo-zoo heev, heev-heev, heev-hnyav, thiab lwm yam).
Txoj kev nthuav qhia tom ntej yog phau ntawv style. Nws suav nrog ntau hom kev ua haujlwm: kev tshawb fawb, kev sau xov xwm, kos duab thiab ua lag luam. Txhua tus ntawm lawv muaj nws tus kheej hais lus, vim hais tias muaj ntau hom lus nrog tib lub npe. Lawv ua raws li cov qauv tsim ntawm cov lus, sib haum rau ib qho kev tsim qauv grammatical thiab tsis raug rau kev sib txawv. Piv txwv li, hauv cov ntaub ntawv kev lag luam thiab cov ntawv tshawb fawb, nws tsis tuaj yeem siv cov ntsiab lus thiab suav nrog lwm cov qauv, vim tias lawv yog cov yam ntxwv ntawm qhov tseeb, qhov tseeb thiab cov laj thawj sib xws. Qee zaum, cov lus hais tuaj yeem siv tau hauv phau ntawv style, tshwj xeeb tshaj yog nyob rau hauv ib hom kev kos duab, qhov uas nws yuav tsum tau muab cov ntawv nyeem ntau dua kev xav thiab yooj yim(ua hauj lwm hnyav, yav tsaus ntuj, dag ib ncig, dag ib ncig, thiab lwm yam). Raws li txoj cai, cov lus no dhau mus dhau ntawm kev hais lus, thiab kev siv lawv yuav tsum raug txiav txim siab los ntawm cov hom phiaj tshwj xeeb, vim tias lawv yuav ua rau muaj kev cuam tshuam cov lus. Feem ntau, cov lus sib tham kuj tau siv hauv kev sau xov xwm txhawm rau ua kom muaj sia nyob thiab kho cov ntawv nyeem.
