1. Have you ever asked yourself why people often have trouble learning English?
句意:你有没有问过自己,为什么人们学习英语总是有困难?
have trouble (in) doing sth. =have difficulty (in) doing sth. 做某事有困难
例:人们理解不同的英语口音总是有困难。
Students often ________________________ different English accents.
have trouble understanding