英和和英

break bounds

break bounds

stake off boundary

to make a boundary （between two estates）

to demarcate the boundary

to delineate a boundary

to cross over a border

Stretch the limits

stake off [out] the boundary

bridge the gap

form the boundary of

draw a boundary

to be outside the border of something

swell the ranks

confine in a cage

mark off a boundary

to mark the boundaries

cross the bar

break ranks

break siege

to cross the threshold―pass the threshold

raise scruples

a boundary post

an indefinable boundary

run the hurdles

a narrow boundary

boundary between objects (boundary line)

a boundary line

rasp off corners

a conflict about the boundaries of an area