邊

side / edge / margin / border / boundary / CL:個|个[ge4] / simultaneously

suffix of a noun of locality

one side / either side / on the one hand / on the other hand / doing while

the top / above / overhead / upwards / the top margin / above-mentioned / those higher up

under / the underside / below

not to the point / wide of the mark / neither here nor there / irrelevant

to have the advantage overwhelmingly on one side / to support unconditionally

not care about one's appearance (idiom) / slovenly in dress and manner

pentagon

erhua variant of 下邊|下边[xia4 bian5]

scalene triangle

A rabbit doesn't eat the grass by its own burrow (idiom); One shouldn't do anything to harm one's neighbors.

irregular quadrilateral / trapezium

Sino-Russian Border Agreement of 1991

border area of northwest China (i.e. Xinjiang)

nonagon

(fig.) (slang) to stick one's nose in other people's affairs (i.e. the scope of other people's business that one concerns oneself with is as wide as an ocean vista)

(computing) sidebar

near / beside

triangle

heptagon

erhua variant of 上邊|上边[shang4 bian5]