出自肺腑 chūzìfèifǔ from the bottom of one's heart Origin Definitions Defs Strokes Stroke Words Sentences Sents 出自 chūzì verb to come from To come from; to originate from a specific place, time, or source.肺腑 fèifǔ bottom of one's heart The depths of one's heart or feelings; innermost thoughts.