1. If you butter up dad, he may let you borrow his car.2. My colleague, hoping to get a raise, is always buttering up the boss.3. If we butter up the bartender, maybe he will buy us a drink.4. A student tried to butter up the teacher to get good grades.5. The intern is trying to ingratiate himself with his boss so that he may get a full time position.6. I am meeting my boss soon. What can I do to butter him up?7. Gold diggers court the rich in order to live a luxurious life.8. Many try to win the favor of a generous person, and everyone is a friend to someone who gives gifts.
 (eager to) please ingratiate oneself with butter somebody up court try to win the favor ofcourt 指為了得到利益而對某人好，ingratiate 是正式用語，但很貼切，butter up 是最好用最普遍的英文.
一個想討好上司的實習生 我等等要跟老闆見面, 我能做什麼討好他呢? 討好有錢人
When the police found my lost kid I felt so relived.