Duōnián bùjiàn, liǎng rén zhījiān yǐ chǎnshēng le gémó.
After years of separation, an estrangement had grown between the two of them.
Tips
usage
隔膜 has two distinct uses: in anatomy, it refers to a dividing membrane (especially the diaphragm); figuratively, it describes an emotional barrier or sense of distance between people - a useful metaphor.