swim upstream
短语发音
AU
词形变化
swam upstream
swimming upstream
swims upstream
三单
swims upstream
swum upstream
swimming upstream
现在分词
swam upstream
过去式
swum upstream
过去式
swum upstream
过去分词
释义与例句
v.
-
1.
To opt for a difficult course of action when a simpler or safer alternative is available; to make an unwise decision against sound advice.
习语I told my daughter to get her hair dyed at a salon, but she had to swim upstream and do it herself. Now it's a mess.