suck * in +
Everyone around John was taking drugs and he got sucked in.
suck into +
The country got sucked into the war.
He is always sucking up to try to get the boss's approval.
suck up to +
奉承 (某人)；巴結 (某人)；拍 (某人) 馬屁
He's always sucking up to our boss.
sum * up +
At the end of the lecture, she summed up the main points again.
summon * up +
鼓起 (勇氣)；振作 (精神)
Anna couldn't summon up the enthusiasm to apply for the position.