门槛 (ménkǎn) threshold, doorsill

Usage:

“门槛”本是指门框下端的横木条，古代建筑的“门槛”有重要的意义，古人认为门槛可以阻挡不利因素进入家里。后来“门槛”比喻进入某范围的标准或条件。
“门槛” is the wood at the bottom of a door. An ancient building’s “门槛” had great significance, as people then believed that they prevented bad things from entering the home. Later, “门槛” came to be a metaphor for criteria or conditions to enter something.

Sentences:

1、Míngpái dàxué de ménkǎn hěngāo.
名牌大学的门槛很高。
Famous universities have high barriers to entry.

2、Rújīn chūguó lǚyóu de ménkǎn yuèláiyuèdī.
如今出国旅游的门槛越来越低。
Nowadays, the barriers to traveling abroad have become lower.

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