我误以为这是个非正式会议。I was wrong about it being a casual meeting.他开始非正式地为特德打理税务。He began informally to handle Ted's tax affairs for him.该方案也对非正式成员开放。The scheme is also open to non-members....
河流转向东流时河道大幅度变宽。The river widens considerably as it begins to turn east.小路在和公路相交的地方变宽了。The track widened as it met the road.过了一会儿,路变宽了,他们也走得更快了.After a while the road opened up and they traveled more quickly....