What is the meaning of Càng?

Hanyu Pinyin reading of

to speak

jaw

chin

With a comparative or verb phrase, establishes a parallel with one or more other such comparatives.

all the more, all the less

nipper, pincer

large, strong hind leg of a locust, grasshopper, or cricket; jumping leg

shaft (one of the handles of a tool, or one of the poles between which an animal is harnessed to a vehicle)

wing mirror (of a motorcycle)

Source: wiktionary.org