meaning for 界限 jièxiàn:

  • - boundary

nánhái男孩
kāishǐ开始
zài
nǚlǎoshī女老师
dúzì独自
zàijiā在家
shí
dēngménbàifǎng登门拜访
jièxiàn界限
hěnkuài很快
bèi
yúyuè逾越

The boy began visiting the woman at her home when she was alone in the evenings.