Don't forget for each sound you need to put double slash or bracket.
/ɜ / or / ɜ: / and /ɔ:/ or /ɔ/
[ɜ] or [ɜ:] and [ɔ:] or [ɔ]
/ɜ/ or /ɜ:/
Lips :
Stretch out your lips
Jaw :
Slightly lowered
Tongue :
Midlevel in the mouth
Spelled :
er, or, ur, ir
For Example : Work, World, Person, and First
/ɔ/ or /ɔ:/
Lips :
In a tense oval shape and slightly protruded
Jaw :
Open more than for /oU/
Tongue :
Low, near the floor of the mouth
Spelled :
o, a, aw, au
For example : Lost, salt, drawn, and auction
Less frequent consist of the letters oa
and ou
Example :
Broad and thought
And here are the video on Youtube to
hear clearly each sound;
American style
/ɜ / or /ɜ:/ https://www.youtube.com/watch?v=Ehn6XixUBKs
/ɔ/ or /ɔ:/ https://www.youtube.com/watch?v=pr_KAu-_Hmo
British Style
/ɜ / or /ɜ:/ https://www.youtube.com/watch?v=dweBtpz3gco
/ɔ/ or /ɔ:/ https://www.youtube.com/watch?v=Bc1tCtP2ZSg
Lets next to æ & Ʌ