大
dà
big; large; great
older (than another person); eldest (as in 大姐[da4 jie3]); greatly; freely; fully; (dialect) father; (dialect) uncle (father's brother)
a picture of 大 → a person with arms stretched wide, meaning big
大 is actually a pictograph of a person standing with arms and legs spread wide — taking up as much space as possible. The 一 stroke is not a separate 'one' component but the outstretched arms of that figure.
这个箱子很大，放不进车里。
zhè ge xiāng zi hěn dà, fàng bu jìn chē li。
This box is very big and cannot fit in the car.
他比我大三岁，所以我叫他大哥。
tā bǐ wǒ dà sān suì, suǒ yǐ wǒ jiào tā dà gē。
He is three years older than me, so I call him big brother.
Words with 大
哥斯大黎加
gē sī dà lí jiā
(Tw) Costa Rica
大势
dà shì
overall trend
大洲
dà zhōu
continent
大漠
dà mò
desert
大码
dà mǎ
large size
大米
dà mǐ
(husked) rice
大军
dà jūn
army
大错
dà cuò
blunder
大鼠
dà shǔ
rat
卧龙大熊猫保护区
wò lóng dà xióng māo bǎo hù qū
Wolong Giant Panda Nature Reserve in Wenchuan county, northwest Sichuan
过站大厅
guò zhàn dà tīng
transit lounge
过而能改，善莫大焉
guò ér néng gǎi , shàn mò dà yān
If one can change after making a mistake, there is nothing better (idiom)