破裂

burst;split;rupture;crack
两国关系一度发展到～的边缘。The relations between the two countries once slipped to the brink of total rupture./夫妻感情～。The couple have become estranged./谈判～。The negotiations broke down./外交关系的～break-off (or severance,disruption) of diplomatic relations/墙面的～cracks in the walls/血管～rupture of a blood vessel