Well founded, well-founded (adj.)

●Based on facts and/or reason.

（有根有據的，有理由的）

Examples:　　

1.Her suspicions of foul play turned out to have been well founded.　　

2.He had to show that he had a well-founded fear of persecution on religious or political grounds to qualify as a refugee.

Come into being (idiom)

●To start to exist.（形成，出現）

Examples:　　

1.The newly captured images are helping scientists to understand how some stars come into being.　　

2.This idea came into being during the last decade.

Know of sb/sth (phrasal verb)

●To know about someone or something, but not know any details.（聽說，知道有）

Examples:　　

1.I only know of one case in which this has happened.

2.Do you know of anyone who's looking for a new car?

On an equal footing (idiom)

●To be in an equal situation; with the same rights and conditions.（平等地位，同等條件）

Examples:　　

1.Men and women should be able to compete for jobs on an equal footing.　　

2.They are now trying to compete on an equal footing.

In particular (idiom)

●Especially (used to show that a statement applies to one person or thing more than any other).

　　（尤其，特別是）

Examples:　　

1.I liked the last candidate in particular.　　

2.Toddlers in particular are not known for the patience and sitting still skills.