1.tuck in/into 痛快地吃；狼吞虎咽地吃
例句：Come on, tuck in everyone!
来呀,大家痛痛快快地吃吧！
He was tucking into a huge plateful of pasta.
他在狼吞虎咽地吃一大盘通心粉。

2.Refreshing
1.令人耳目一新的；别具一格的:
例句：It made a refreshing change to be taken seriously for once.
总算有一次受到认真对待,这变化真是令人耳目一新。
2.使人精力充沛的；使人凉爽的
a refreshing drink/shower 提神的饮料/淋浴
例句：Both are served cold over ice and make a refreshing drink on a hot summer day.
两种都可以加上冰块享用并且在炎热的夏天起到提神醒脑的作用。

3.hold back (from doing sth)/hold sb back (from doing sth) (使)犹豫,踌躇
例句：She held back, not knowing how to break the terrible news.
她踌躇着,不知如何说出这一可怕的消息。

4.in mint condition 崭新；完美；完好无缺
例句：That's a little different for digital. Everything is always in mint condition.
但和数字产品还是不同，因为数字产品总是新的。