mature adj.
1. 成熟的
This is the most mature of his plays.
这是他最成熟的一部剧作。
She swept her hair back, so she looks more mature than before.
她把头发往后梳，所以显得比以前成熟。
2. 考虑周到的
Young as she is, she cares for others and has a mature mind.
她虽然年轻,但却很为他人着想,考虑周到。
I will let you have an answer after mature consideration.
我考虑成熟后，再给你回答。

freak out v.
1. 疯了
This ordinary quiet guy just freaked out and shot ten people.
这个平时温和的家伙简直发疯了，开枪打死了十个人。
2. 吓坏了
He totally freaked out when he saw the armed robbery.
他看到武装抢劫时完全吓坏了。

normal adj.
1. 正常的
Everything is absolutely normal.
一切完全正常。
2. 正规的
She refused to conform to the normal social conventions.
她拒绝遵从正常的社会习俗。
3. 精神健全的
People who commit crimes like that aren't normal.
犯这种罪的人心理都不正常.