zhì​xiè

to express thanks

致谢 致謝 zhì​xiè
to express thanks verb
to express gratitude; to extend thanks to someone

I immediately thanked her.

acknowledgment
an expression of gratitude; a thank-you note or formal acknowledgment

Frequency

Movie subtitles
1.16 per million appears in 1% of films
Written text
1.96 per million

Sources