by nature introverted 天生内向
by nature curious 天生好奇
by nature generous 天生慷慨
by nature cautious 天生谨慎
by nature optimistic 天生乐观
1. He is by nature a quiet person who prefers reading to socializing.
他天生是个安静的人，更喜欢阅读而不是社交。
2. Cats are by nature hunters, even when kept as pets.
猫天生是猎手，即使作为宠物饲养也是如此。
3. She is by nature optimistic, so she always sees the bright side of things.
她天生乐观，所以总是能看到事物的光明面。
4. The soil in this region is by nature rich and fertile.
这个地区的土壤天生肥沃。
5. He is by nature honest and never tells a lie.
他天生诚实，从不说谎。
A: Why do you hate crowds?
A：你为什么讨厌人群？
B: I'm by nature an introvert, so large groups drain my energy.
B：我天生是内向的人，所以大群人会消耗我的精力。
1) 天生地，生来就
2) 自然地，本能地
3) 本质上，从根本上说
1. 天生地；生来就
e.g.
She is by nature a kind and helpful person.
她天生是个善良且乐于助人的人。
phrase
1. Innately; as a natural characteristic or tendency.
Synonym: innately, naturally, inherently