have a difficult time doing…
在……方面经历了一段艰难时期
对话:President Jimmy Carter had a difficult time getting approval of a treaty to give the Panama Canal back to Panama.
为了使交还巴拿马运河的和约获得允许,卡特总统经历了一段艰难的时期.
to do something表示事情还没有做
doing something表示已经做了某事
have a difficult time doing…
在……方面经历了一段艰难时期
对话:President Jimmy Carter had a difficult time getting approval of a treaty to give the Panama Canal back to Panama.
为了使交还巴拿马运河的和约获得允许,卡特总统经历了一段艰难的时期.
to do something表示事情还没有做
doing something表示已经做了某事