although 虽然;尽管
at the same time同时;但是
despite不管;尽管;不论
even if即使
even though 即使
however 然而;可是
in spite of 不管
instead 代替;而不是
nevertheless 然而;不过
on the contrary正相反
otherwise 另外;不同地
regardless of不管;不顾
still依然;仍然
though 虽然;可是
while 而
yet 然而;但是;仍