径

footpath / track / diameter / straight / directly

to dig

old variant of 聖|圣[sheng4]

step with the left foot (Kangxi radical 60) / see also 彳亍[chi4 chu4]

holy / sacred / saint / sage

caliber / diameter of opening

radius

as different as can be (idiom) / poles apart

diameter of hole

narrow winding path

internal diameter

to waylay and rob / highway robbery

steep and perilous path

atomic radius

to take an alternate route (idiom) / to find an alternative / to take a different approach / to blaze a new trail

circumference of a circle is proverbially three times its radius

International Association of Athletics Federations (IAAF) / abbr. to 國際田聯|国际田联[Guo2 ji4 Tian2 Lian2]

external diameter (including thickness of the wall)

large caliber

circumference and radius / the circular ratio pi

cloud track (trace of ionizing particle in cloud chamber)

directly / straightaway / straight

diameter

poisoning route

narrow path