卅 (sà) — thirty | Dizionario di cinese TongTong

Definizione

卅 (sà) is a formal, written variant of 三十 — mostly seen in numbers on signs, classical-style writing, or paired with larger numerals like 一百.

numeral

thirty

卅。
Jīn nián shì gōng sī chéng lì sà zhōu nián.
This year is the company's 30th anniversary.
卅。
Tā yǐ jīng zài nà ge gǎng wèi shàng gōng zuò sà zhōu nián le.
He has already worked at that position for the 30th anniversary.
卅。
Zhè ge xiàng mù yǒu sà míng cān yù zhě.
This project has thirty participants.