Help me translate some English sentences.

1. In America, when receiving a gift, the recipient almost always opens it in front of the giver and praises it.

In the United States, when receiving a gift, in most cases, the giver wants the recipient to open the gift in person and enjoy it. Expect ... to be expected to do something; In front of.

There is no doubt that China's calligraphy has developed into a precious art. You have the wrong number here. It should be two angry words: precious traditional art.

Nowadays, China calligraphy has developed into a precious traditional art.

No one knows him, but the host went to meet him and took him to the bar to drink.

No one knew him, but the host met him and took him to a bar for a drink.

That behavior is only regarded as decisive by superstition.

That kind of practice is just superstitious and called firmness. Superstition, controlled by cults; Decisive, firm

The application interview will be held in the reception room of the company.

The interview will be held in the reception room of the company. Apply for interview, employment interview; Doing means doing something; Reception room means reception room.