chān​shā​zi

to mix in sand

掺沙子 摻沙子 chān//shā​zi
to mix in sand
To blend or mix sand into other materials, such as soil or concrete
to mix in new people
To place new members into an established or exclusive group to change its makeup, break up a clique, or disrupt a situation.
to adulterate
To add impurities or inferior components to a substance to dilute it or lower its quality

Frequency

Written text
0.026 per million

Sources

Frequency data
BCC Corpus (BLCU)