(used after an adverb such as 不, 大, 稍 etc, and before a disyllabic verb, to indicate that the action of the verb is applied to sth or sb previously mentioned)
to apply (restrictions etc) to (sb)
to give (support, consideration etc) to (sth)
to increase
to augment
to append
清潔劑
ceng1 git3 zai6
cleaning agent
應該
jing1 goi1
should
很
han2
very
足夠
zuk1 gau3
enough
Learn Stroke Order
See how to write "清潔劑" with stroke-by-stroke animation