5th is short for fifth, 2nd is short for second and 4th (not 4rd) is short for fourth. 3rd is short for third. First, second, third, fourth, fifth, sixth.....

" (question) Is there any pronunciation exception rule when there's two 4rd tones in a row?????? nǐ zài dòu wǒ me 💙💙"用 中文 (簡體) 要怎麼說？