Have a field day:
过着田野的日子 ×
特别痛快,特别过瘾 √
例句:
We had a field day at the amusement park.
全家老小在游乐场里玩得十分尽兴。
To give one's best shot:
发挥出某人最好的水平
例句:
He will give it his best shot in the match.
他会在比赛中努力发挥出自己最好的水平。
For a song:
为了一首歌 ×
买了便宜货 √
例句:
You picked it up for a song.
你真是买到便宜货。
Assignment