Перевод a difficult test, a difficult thing to do. Learning Flow to play the piano was a difficult thing to do. Is it difficult to speak Eaglesh?

Эти словосочетания и предложения с английского языка на русский переводятся так:

a difficult test - сложный тест;

a difficult thing to do - трудно сделать;

learning flow - учебный поток.

To play the piano was a difficult thing to do. - Играть на пианино было трудной задачей.

Is it difficult to speak English? - Трудно ли говорить по-английски?