Meaning of dài:
戴
surname Dai
Wǒ yǒu yī gè péngyǒu xìng Dài.
我有一个朋友姓戴。
I have a friend with the surname Dai.
to put on or wear (glasses, hat, gloves etc); to respect; to bear; to support
Dōngtiān de shíhòu, wǒ xǐhuan dài màozi.
冬天的时候,我喜欢戴帽子。
In winter, I like to wear a hat.
Lǎorén zǒng shì bèi dàjiā suǒ dài.
老人总是被大家所戴。
The elderly are always respected by everyone.
Tā jìdé yào dài kǒuzhào chūmén.
他记得要戴口罩出门。
He remembers to wear a mask when going out.
Tā zǒng shì dài yī dǐng màozi.
他总是戴一顶帽子。
He always wears a hat.