This idiom is: to teach earnestly. The pronunciation is: zhūn zhūn jiào dǎo.
1. Explain and teach with sincerity and patience. Zhenzhen: Sincere and patient.
2. Source: "The Book of Songs·Daya·Yu": "Teach you earnestly; listen to me and listen to me."
3. Synonyms: tireless teaching (huì rén bù juàn), persuasive and good at teaching (xún) xún shàn yòu) earnestly warn (?zhūn zhūn gào jiè), earnestly induce (zhūn zhūn shàn yòu).
4. The antonyms of "kill without teaching" (bù jiào ér zhū) and "yí zhǐ qì shǐ" (yí zhǐ qì shǐ).
5. Examples
(1) During his lifetime, he always taught us earnestly not to forget class struggle.
(2) The teacher’s sincere teachings flowed like a warm current into her long-depleted heart.
(3) My achievements today are all due to your sincere teachings to me at that time.