The doctor drew up a chair and sat down close to the old man.
| . '.  .  ' _  .  . / _  | .  '_  '_    ]_    .   . _   \_  | 

"I've got a proposition for you," he said quietly.
|_     .  .   . .'\. .  '.   _  |  . '\.   '_   .  |

Old Ellsworth looked suspiciously  over his spectacles.
|'_ .   '_    \.      . '. .    .|'_ .   .  '\.   .   |

 "How'd you like to take up art?" 
|'_     .   '_    .'/_   . '_  | 

The doctor had his stethoscope ready in case the abruptness of the suggestion
| . '.  .   .   .  '/.  .  _   '.   |.   _     . .'/_   .   .    .  . '.  .  |

 proved too much for the patient's heart.
| '_    '_   .    .    .'/_  .     '_   |

But the old gentleman's  answer was a vigorous "Rot!"
|.    .'_   '.     .   '\_    .| .  .'\. . .  | '\. | 

"I don't mean seriously," said the doctor, relieved that disaster had been averted.
|'_ _   '\_   '_  _   . |  \.    . '.  .  | .'_  .    .   .'\_ .   .    .  .'_  . |

"Just fool around with chalk and crayons. It'll be fun."
|'.   '/_  . _  |  .   '/_  |.   '\_    | .      .'\. |

"Bosh!"
|'\. |

"All right." The doctor stood up. "I just suggested it, that's all."
|'_  \_    |   . '.  .   '\.  .  | _ '.    .'\_  .  .  |'\.    _  |

"But, Caswell, how do I start playing with the chalk — that is, 
| .  '\_  .  |  _   . . '/_  | '\_ .   .     .  '_   | \.   . |

if I'm foolish enough to start?"
|.  _  '\_  .   .  .    . '_   | 

"I've thought of that, too.
|_     '\_    .    . |'/_ | 

 I can get a student from one of the art schools
|_ '.  '.  . '\_ .     .  _   .    .'_     '_   |

 to come here once a week and show you."
| .'/.    _   .    .  '_ | .  '\_   _  |

Виталя, точкой нужно обозначать слог с короткой гласной, а черточкой - слог с длинной гласной/дифтонгом/трифтонгом. Апострофом можно обозначать ударные слоги. Например,

The doctor drew up a chair and sat down close to the old man.
 .  '.  .  ' _  .  .  / _  | .  '_  '_   ' _   .  .  _  \ _  

В spectacles - l - слогообразующий, т.е. в слове три слога

vigorous - все слоги краткие

В playing один слог или два?

one - краткий или долгий слог?

два

это какие?

Так [eɪɪ] по сути трифтонг