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
也
jaa5
also
too
(in Classical Chinese) final particle implying affirmation
neither
either
even
as well
still
likewise
Learn Stroke Order
See how to write "吾" with stroke-by-stroke animation