The noun 导师 (dǎoshī) means 'mentor,' 'tutor,' or 'supervisor.' It combines 导 (to guide) with 师 (teacher), describing someone who provides guidance and wisdom. It is used for academic advisors, professional mentors, and anyone serving as a guiding figure in someone's life.
我的研究生导师对我的影响特别大。
wǒ de yánjiūshēng dǎoshī duì wǒ de yǐngxiǎng tèbié dà.
My graduate school advisor had a particularly big influence on me.
她是我职业生涯中最重要的导师。
tā shì wǒ zhíyè shēngyá zhōng zuì zhòngyào de dǎoshī.
She is the most important mentor in my career.
你应该找一位有经验的导师来指导你的论文。
nǐ yīnggāi zhǎo yī wèi yǒu jīngyàn de dǎoshī lái zhǐdǎo nǐ de lùnwén.
You should find an experienced mentor to guide your thesis.