近义词是though，例如：
1.He's the best teacher, even though he has the least experience.他虽然经验最少，却是最出色的老师。
2.We made the journey by land, though flying would have been cheaper.虽然乘飞机会便宜些，我们还是走了陆路。
3.One major problem did present itself, though.不过，确实出现了一个重大问题。
近义词是
while
英 [ waɪl ]
美 [ waɪl ]
当……的时候常用释义
释义
conj.
当……的时候；与……同时；而，然而（表示对比）；尽管，虽然；直到……为止
n.
一段时间；同时；<文>在此期间
v.
消磨时间
prep.
（北英格兰）直到
adv.
在……的时候
变形
复数whiles第三人称单数whiles现在分词whiling过去式whiled过去分词whiled
例句
1. She fell while toddling around.
她在蹒跚学步时摔倒了。
2. David rang up while you were out.
你不在的时候戴维打电话来了。
3. Keep still while I brush your hair.
我给你梳头时你不要动。
近义词是though，notwithstanding，albeit，
例如，
虽然是淡季，这家酒店却客满了。Although it was off season, the hotel was fully occupied.
这两幅画很相似，虽然不完全相同。
The two pictures are similar, although not identical.
他虽然病情严重，但仍顽强地活着。
Though seriously ill, he still clings tenaciously to life.
although是一个从属连词，表示“虽然”，近义词有though, while, as等等。
