zhī​qíng

to know the facts

知情 zhī//qíng
to know the facts verb + noun
To know the facts of a case; to be aware of the internal situation or inside information.

Does his wife know?

to be grateful
To feel or show gratitude toward someone for their help; to be thankful
gratitude
A feeling of thankfulness or appreciation

Frequency

Movie subtitles
7.57 per million appears in 3% of films
Written text
19.2 per million

Sources