(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
裝了
zoeng1 liu5
installed
隔音
gaak3 yam1
Soundproof
設備
cit3 bei6
facilities
Learn Stroke Order
See how to write "隔音" with stroke-by-stroke animation