Xuéshengmen zūnchēng tā wéi 「lǎoshī zhōng de lǎoshī」.
The students respectfully call him 'a teacher among teachers'.
Tips
usage
尊称 can be a noun (honorific title) or a verb (to address respectfully). Compare with 蔑称 (mièchēng, derogatory term) and 昵称 (nìchēng, nickname/term of endearment).