MAccording to tradition, married daughters will visit their parents' home on the second day of the Lunar New Year. According to tradition, married daughters visit their parents' home on the second day of the Lunar New Year.

Because you are speaking about a general tradition, you can use the present tense here. I added "According to tradition" to clarify the meaning.

As a result, we always visit my grandparents’ home todayon this date. As a result, we always visit my grandparents’ home on this date.

- "Today" is only for the present day, it doesn't make sense to use it for many days.

We meet some of our relatives who only come once a year. We meet some of our relatives who only come once a year.

We meetget to see some relatives who only come once a year. We get to see some relatives who only come once a year.

The most hilarious part was when the ''plus two’’ card was thrownplayed by my sister. The most hilarious part was when the ''plus two’’ card was played by my sister.

By the way, we always say, ''start a war!'' By the way, we always say, ''start a war!''

In thate round I mentioned, every player had a ''plus two'' card and my sister, who threwplayed the card first, had two pieces of itof the "plus two" cards. In the round I mentioned, every player had a ''plus two'' card and my sister, who played the card first, had two of the "plus two" cards.

- It's a bit confusing to use "that" here, because you changed to subject to explain the rules of the game. It's more clear to be more explicit, so I added "In the round I mentioned".

In that round, every player had a ''plus two'' card and my sister who threw the card first had two pieces of itof them. In that round, every player had a ''plus two'' card and my sister who threw the card first had two of them.

Today I went to the temple near my house with my father and twin sisters in order to pacifylease Tai Sui for my grandfather and pray for his health. Today I went to the temple near my house with my father and twin sisters in order to please Tai Sui for my grandfather and pray for his health.

- "pacify" is probably a bit strong here. Pacify is used to mean "calm someone who is angry". I substituted "please", but that might not be exactly what you meant. If you give more some more details I can suggest an alternative.

We knew the former president would give a small gift forsurprise everyone who wanted by accidenwith a small gift. We knew the former president would surprise everyone who wanted with a small gift.

- I think this is what you mean by "by accident". Please let me know if you meant something else!

We knew the former president would give a small gift forto everyone who wantedcame (?) by accident. We knew the former president would give a small gift to everyone who came (?) by accident.

This is theere's a custom that famous politicians will visit some temples and give people a gift during the Lunar New Year. There's a custom that famous politicians will visit temples and give people a gift during the Lunar New Year.

This is the custom that: famous politicians will visit some temples and give people a gift during the Lunar New Year. This is the custom: famous politicians will visit temples and give people a gift during the Lunar New Year.

Therefore, my sisters got in line, and my father and I did the major thingcompleted the important prayers. Therefore, my sisters got in line, and my father and I completed the important prayers.

Fortunately, they got the gifts before his next scheduled appointment even though there were so many people. Fortunately, they got the gifts before his next scheduled appointment even though there were so many people.

Fortunately, they got the gifts before his next scheduletop even though there were so many people. Fortunately, they got the gifts before his next stop even though there were so many people.