界

jiè

HSK 7

界 — jiè

1. boundary; border (bound form)

   两国的边界（界）很明显。 liǎngguó de biānjiè jiè hěn míngxiǎn — The border between the two countries is clear.

2. realm; field; world (bound form used as a suffix, e.g., 科学界 "the scientific community")

   他在学术界很有名。 tā zài xuéshùjiè hěn yǒumíng — He is well-known in academic circles.