classifier for long thin things (rivers, cracks etc), barriers (walls, doors etc), questions (in an exam etc), commands, courses in a meal, steps in a process
province (of Korea or Japan)
channel
method
doctrine
teachings
歷史悠久
lik6 si2 jau4 gau2
with a long history
Learn Stroke Order
See how to write "地磚" with stroke-by-stroke animation