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
大一
dà yī
first year of university
大豆
dà dòu
soybean
大寨
dà zhài
Dazhai
大棒
dà bàng
big stick (policy etc)
大略
dà lüè
a broad outline
大虾
dà xiā
prawn
大邑县
dà yì xiàn
Dayi County in Chengdu 成都[Cheng2 du1], Sichuan
绝大部分
jué dà bù fen
overwhelming majority
大校
dà xiào
senior ranking officer in Chinese army
大锤
dà chuí
sledgehammer
大农场
dà nóng chǎng
ranch
大客车
dà kè chē
coach