mài

to sell

to betray; to spare no effort; to show off or flaunt

ten (十) + buy (买) = to sell

买 (to buy) is already inside 卖 — adding 十 on top suggests going further, pushing a transaction the other way. Think of 十 as a mark added over the act of buying to flip it into selling.

+
To buyPhonetic, Semantic
TenSemantic

Words with 卖

卖空

mài kōng

to sell short (finance)

一锤子买卖

yī chuí zi mǎi mài

a one-off, short-sighted deal

以老卖老

yǐ lǎo mài lǎo

variant of 倚老賣老|倚老卖老[yi3 lao3 mai4 lao3]

倒买倒卖

dǎo mǎi dǎo mài

to buy and sell at a profit

倒卖

dǎo mài

to resell at a profit

倚老卖老

yǐ lǎo mài lǎo

(idiom) to flaunt one's seniority; to rely on one's age or length of experience to control or belittle others

做买卖

zuò mǎi mài

to buy and sell

兜卖

dōu mài

to peddle

公买公卖

gōng mǎi gōng mài

buying and selling at fair prices

出卖

chū mài

to offer for sale; to sell

叛卖

pàn mài

to betray

叫卖

jiào mài

to hawk (one's wares)

More characters with 十