brink noun
ADJ. very
VERB + BRINK be (poised) on, hover on, stand on, teeter on Scientists are on the brink of making a major new discovery. animals hovering on the very brink of extinction | bring sb to | fight/pull back from | bring/pull sb/sth back from He pulled the company back from the brink (= saved it from disaster).
PREP. ~ of the brink of bankruptcy/death/war
You can also check other dicts: brink (English, 中文解释 ), wordnet sense, Collins Definition