tā / men / jiā / hěn / zhòng / shì / bān / bèi / r / chēng / hu / zhǎng / bèi / shí / bù / néng / nòng / cuò

他们家很重视班辈儿，称呼长辈时不能弄错。

Their family places great importance on seniority, so you must use the right form of address for elders.