⊙ in the way(挡路;妨碍):Her social life got in the way of her studies(她的社会活动妨碍了她的学习.)
⊙ on the way(在路上):Let’s wait a few moments. He’s on the way.(咱们等一会儿,他正在路上.[快到了])
⊙ By the way 是个语气词,即“附带说一句”之意.如:By the way, has everybody arrived?(附带问一句,大家是否都到了?)
⊙ In a way,是“某个方面”,“在某种意义上”.如In a way,he was right.(在某个意义上说,他是对的.)