1.a special treat 特別的消遣
a real treat 喜之不盡
my treat 我請客
例句：Be sure they understand this is a special treat and privilege.
你要讓他們明確這是一種特殊的獎勵。

2.a spoiled brat 嬌慣壞的淘氣鬼
例句：No parent wants a child who is a spoiled brat.
沒有哪個父母想讓自己的孩子變成一個被寵壞的壞孩子。
He's spoilt rotten (= a lot)
他給慣得一點樣子都沒有了。
be spoilt for choice (東西多得)挑花眼

3.Be ideal for sb 理想的
Ideal candidate 理想人選
Ideal opportunity 絕好機會
例句：And it's so lightweight I could barely even feel it in my pocket, which should be ideal for athletes.
放在我的口袋里幾乎感覺不到重量。可以說，它會是運動員們理想的隨身播放器。

4.at your mother's knee 小時候；孩提時
例句：On the other hand, you learn some leadership skills, like self-confidence, at your mother's knee and at school.
但另一方面，你會在幼年受教于父母時和求學時習得一些領導技巧，譬如自信。

5.cause havoc throughout the area 給整個地區帶來了災害
play havoc with 嚴重破壞
wreak havoc on 嚴重危害
例句：The floods caused havoc throughout the area.
洪水給整個地區帶來了災害。