Click the box and you will see a word, but only for 1 second. If two boxes with the same word are open at the same time, you will get a thumb-up. But you have to type out the word to clear the boxes.
Just type each Chinese character shown in the balloon and press "enter". Please finish it before the Count Down turns to 0.
Make sure you have a Chinese keyboard first.
Put on your earphone to listen to each sound. Click the corresponding ballon for the sound you hear. Please finish it before the Count Down turns to 0.