奈
nài HSK5

but

奈 nài
deal with idiom
used in expressions conveying helplessness or indicating how to handle a situation

面对这个复杂的问题，他感到无可奈何。

miàn​duì zhè​ge fù​zá de wèn​tí, tā gǎn​dào wú​kě nài hé.

Faced with this complex problem, he felt completely helpless.

phonetic place name
used for its phonetic value in transliterating foreign words or names

奈及利亚是位于西非的一个国家。

Nài​jí​lì​yà shì wèi​yú Xī Fēi de yī gè guó​jiā.

Nigeria is a country located in West Africa.

Frequency
Character
Written text
1,624th most common 59.5 per million
Movie subtitles
1,719th most common 31.0 per million appears in 7% of films
Word
Movie subtitles
14.0 per million appears in 2% of films
Written text
14.7 per million

Details
HSK 2.0
Level 5
HSK 3.0
Level 5
Strokes
8
Unicode
U+5948

Sources
Definitions
CC-CEDICT
Frequency data
MTSU Chinese text computingSUBTLEX-CHBCC Corpus (BLCU)