[Sandra did the rest herself. :) Keep up the good work!] "I just drew 4 Chinese characters to thank my friend for helping me with my math problem... The following words mean Thank You." || ,| ,| || .,,,,,||,,,,,,,,,, '|, ||''''|| ,| ,|'' ,,,,,,,,,,,,,||, ;| |, ||''''|| ,|',,,,, ,'',,,,,,,,,,,,,,, || ,,,, || || '|. ''''''''' || || || || || || ,,,,,,,, || ,,,, || || '|, |,,| ,,||,||,||,||,, || |,,| `|| ,| ''|'''' || || || || || '''''''' || || ''|| ,|| ||:. |||| ,,||,||,||,||,,, ,,,,,,,,,, ||,|' ,|| || || || || || || || || ,|' ,| '|, ,| || || || || ,|' || || '|, || || || ||,, ,|| ,' ,' '| || || |''''''''| ,| '''''
Source: https://ascii.co.uk/art/chinese