to step on; to tread; to stamp; to press a pedal[cedict]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
邊界線
biān jiè xiànㄅㄧㄢ ㄐㄧㄝˋ ㄒㄧㄢˋ
boundary line; border line[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
規矩
guī juㄍㄨㄟ ㄐㄩ˙
rules; customs; practices; well-behaved[cedict]
大家
dà jiāㄉㄚˋ ㄐㄧㄚ
authority; everyone[cedict]
都
dōuㄉㄡ
dūㄉㄨ
all; both (if two things are involved); entirely (due to) each; even; already[cedict]