Call it rain # call it rain yǔ initially described immortals or Taoist priests as powerful and able to call it rain at will. Nowadays, many metaphors have extraordinary skills or great achievements.

Humans can also rely on technology to give orders.

Call, greet or summon.

[Example] In the evening in the countryside, the smoke is curling, and every family is calling their children home for dinner.

Call on # hìy to make representations to individuals or society and ask for assistance or justice.

The municipal government appeals to every citizen to take care of the city appearance and environment.

Reply # hū ying, contact each other or take care of each other.

Shout loudly. Call. Call. Shout slogans. Appeal.