Collins Chinese Dictionary Plus (3rd edition), 2011:
熟识(識) shúshi 动
get to know
- 两(兩)个(個)小孩儿(兒)很快就熟识(識)起来(來)。 Liǎng gè xiǎoháir hěn kuài jiù shúshi qǐlái. The two kids got to know each other really quickly.