1 one side

2 either side

3 on the one hand

4 on the other hand

5 doing while

1 periphery

2 rim

3 surroundings

4 all around

5 perimeter

6 peripheral (computing)

7 spin-offs

1 lateral

2 side

3 to the side

4 beside

1 at one's side

2 on hand

1 side

2 edge

3 margin

4 border

5 boundary

6 classifier: 个 gè

7 simultaneously

1 not care about one's appearance (idiom)

2 slovenly in dress and manner

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

1 the sword moves with side stroke (modern idiom)

2 fig. unexpected winning move

3 unconventional gambit

1 lit. to reach the tip and try (idiom); to have a go when at one's peak

1 lit. the sun rises in the west (idiom)

2 fig. hell freezes over

3 pigs can fly