try to do 努力做某事。 try doing 试着做某事 I tried to answer the question. but failed. He tries walking to the school instead of riding bikes. Used to do 某人过去常常做某事 如 My father used to smo...
Try to do sth.表示尽自己最大能力做某事,等同于try one's best to do sth. Try doing sth.表示尝试着做某事 Use to do 表示过去经常性的动作或存在的状态,含现在不再如此之意。否定式:usedn’t to do或didn’t use to do be、get used to doing 习惯于做某事,这里的to 是...