译短语：在夜晚、从七点到八点、直到......时才、知道八点、是某人一直做、观看某人做...、踩脚印

in the night
from 7 to 8 o'clock
untill...not...
untill 8 o'clock
sb. be doing sth.
look sb. doing sth.

at night
from 7 o'clock to 8 o'clock
until
until 8 o'clock
sb be always doing sth
look on sb doing sth
walk in the footsteps

楼上的那两位 不会就别答 误导人
at night
from 7 o'clock to 8 o'clock
not until
until 8 o'clock
Someone has been doing
Watch someone to do ...,
Step on the footprints