Knowledge of Chinese language is incomplete without knowing idioms.
Various characters are placed in a 3x3 grid, 4 of them can be used to form a Chinese idiom. You have to identify the correct idiom.
The faster you complete the idiom, the more marks you can get!
To make it easier you can remove an interfering character or retrieve textual hint, but marks will be deducted.
This is the Simplified Chinese version. There is also a Traditional Chinese version.
This free version has the first level available to play.