Come of age (idiom)
●To reach the age when you are legally recognized as an adult.（到達法定的成年年齡，弱冠之年）
1.Now that you have come of age, you should be more responsible and accountable for your actions.
2.Communities across the world have diverse traditions to celebrate the coming of age of their young ones.
●The quality of being magnificent or splendid or grand.（輝煌，壯麗）
1.It is the university that gives the scene its stately splendor.
2.They bought a decaying 16th-century manor house and restored it to its original splendour.
●Of vital importance; crucial.
1.It's imperative to act now before the problem gets really serious.
2.It is imperative that standards are maintained.
On the part of sb/sth (idiom)
●Regarding or with respect to (the one specified).
1.This was a misjudgment on the part of the government.
2.The contract was fulfilled on the part of the buyer.
Have a bearing on sth (idiom)
●To be relevant to something; to have an influence on something.（關係到，影響到）
1.Experts generally agree that diet has an important bearing on your general health.
2.My father's achievements really don't have any bearing on what I do.