1.
When a son is grown he takes a wife, and when a girl is old enough she goes to her husband. And that is right and proper.
男大当婚女大当嫁, 古今常理。
2.
act like a doctor for ordinary illness and a consultant for serious illness
小病当医生，大病当参谋
3.
a sizable fortune; an ample waistline; of ample proportions.
相当大的财富；相当大的腰围；占相当大的比例。
4.
How you were borne in hand!
你大大上当受骗了！
5.
In a great river great fish is found, but take heed lest you are drowned .
大河产大鱼，当心遭水溺。
6.
a handsome profit, price, fortune, etc
相当大的利润、 相当高的价格、 相当好的运气.
7.
Her eldest daughter was in service, and the other two worked in a shop.
她的大女儿当佣人，其余两个当营业员。
8.
McDonald：So come into McDonald’s and enjoy big Mac Sandwich．
麦当劳： 走进麦当劳，享用大三明治。
9.
The Great Tao Should Prevail:On the Moral View in Current Chinese Visual Media Culture;
大道当行——当下影视文化中的道义观
10.
CONSIDERATION ON PROPERLY EXPANDING INVESTMENT SCALE AT PRESENT;
对当前适当扩大投资规模问题的思考
11.
being of a considerable distance or length.
距离或长度相当大的。
12.
This is a pretty Big church.
这是个相当大的教堂
13.
When the baby grew into a man,
当这个婴儿长大成人，
14.
improperly forward or bold.
不适当的急进或者大胆。
15.
Considerable and considerate
相当大的与考虑周到的
16.
"How old was she then?" asked the Baron.
“她当时多大了？”男爵问。
17.
While this was doing,
正当大家全力抽水时，
18.
Pretty late. It ends around half past twelve.
相当晚，大概12点半。