Set in: to be fixed and unable to change/to place something so that it is surrounded by a medium
固定，不能改變/放置某物使其被介質(zhì)包圍

He is set in his ways. He will never change./Can you set that statue in the cement before it dries?
他固執(zhí)己見。他永遠(yuǎn)不會(huì)變。/你能在那雕像干之前把它放在水泥里嗎？

Set on: to have expectations that something will happen/to place something on a specific location
開始：對某事將要發(fā)生/把某事放在一個(gè)特定的地點(diǎn)

My daughter was set on going to the beach, but the weather was bad that day./Can you set that flowerpot on the steps?
我女兒本來打算去海灘的，但那天天氣不好。/你能把花盆放在臺階上嗎？

Set up: to put together
裝配：組裝

After opening all of the presents during Christmas, they set up the train set.
圣誕節(jié)期間，他們把所有的禮物都打開后，就開始布置火車了。

Set out: to have as a goal
出發(fā)：以有為目標(biāo)

The team set out to increase profits by 50%.
這個(gè)團(tuán)隊(duì)打算把利潤增加50%。

Set off: to start a journey with a goal in mind
帶著目標(biāo)出發(fā)

They set off the day wanting to eliminate all of the trash on the beach.
他們一天出發(fā)就想清除海灘上所有的垃圾。