心生 is a literary verb-object compound meaning "the heart gives rise to ___". Almost always followed by an emotion or thought: 心生爱慕 (admiration), 心生疑虑 (doubt), 心生敬意 (respect), 心生恐惧 (fear).
culture
Echoes the Buddhist saying 境由心生 - "circumstances are born from the mind" - meaning what we perceive depends on our inner state.
