The noun 等级 (děngjí) means "level," "rank," or "grade," referring to a position within a hierarchy or classification system. It is used in a wide range of contexts including danger ratings, social status, and skill levels. It often appears with adjectives like 最高 (highest) or 严重 (severe).
这次台风的危险等级被提升到了最高。
Zhè cì táifēng de wēixiǎn děngjí bèi tíshēng dào le zuìgāo.
The danger level of this typhoon has been raised to the highest.
游戏里他的角色已经升到了最高等级。
Yóuxì lǐ tā de juésè yǐjīng shēng dào le zuìgāo děngjí.
In the game, his character has already reached the highest level.
不同等级的会员享受不同的优惠。
Bùtóng děngjí de huìyuán xiǎngshòu bùtóng de yōuhuì.
Members of different tiers enjoy different discounts.