International Phonetic Alphabet = 
The letter I is really a problem for us, Brazilian people...
Well,
/sɪt/ SIT ≠ SEAT /siːt/
/ʃɪp/ SHIP ≠ SHEEP /ʃiːp/
/bɪtʃ/ BITCH ≠ BEACH /biːtʃ/
Well,
/sɪt/ SIT ≠ SEAT /siːt/
/ʃɪp/ SHIP ≠ SHEEP /ʃiːp/
/bɪtʃ/ BITCH ≠ BEACH /biːtʃ/
/sɪt/
* in this case, there's also a S/Z difference
= 
VOWELS
| ɪ | kit, bid, hymn, minute | |
|---|---|---|
| e | dress, bed, head, many | |
| æ | trap, bad | |
| ɒ | lot, odd, wash | |
| ʌ | strut, mud, love, blood | |
| ʊ | foot, good, put | |
| iː | fleece, sea, machine | |
| eɪ | face, day, break | |
| aɪ | price, high, try | |
| ɔɪ | choice, boy |
| uː | goose, two, blue, group |
|---|---|
| əʊ | goat, show, no |
| aʊ | mouth, now |
| ɪə | near, here, weary |
| eə | square. fair, various |
| ɑː | start, father |
| ɔː | thought, law, north, war |
| ʊə | poor, jury, cure |
| ɜː | nurse, stir, learn, refer |
| ə | about, common, standard |
| i | happy, radiate. glorious |
| u | thank you, influence, situation |
PHONETIC SYMBOLS REFERENCES:
oupchina.com