促膝 cùxī to sit knee to knee Definitions Defs Origin Strokes Stroke Words Sentences Sents 促膝长谈 cùxīchángtán to have a heart-to-heart To sit close together and have a long, intimate, and friendly conversation促膝谈心 cùxītánxīn to have a heart-to-heart talk (idiom) to sit close together and have a sincere, heart-to-heart talk; describes an intimate or friendly conversation