Definition
To not wear any underwear; typically used to refer to not wearing underpants.
不穿內裤
He wore shorts and no underwear, deciding to 'go commando'.
他穿著短褲，沒有穿內褲，決定「不穿內褲」。
In hot weather, some people find it more comfortable to 'go commando'.
在炎熱的天氣裡，有些人覺得「不穿內褲」更舒服。
She wore a long skirt and she 'went commando' today.
她今天穿著長裙，而且「不穿內褲」。