To give someone credit: to acknowledge someone’s contribution 受到表扬，赞扬，归功于

To give credit where credit is due: to give thanks or acknowledgement to the person who deserves it谁值得表扬就表扬谁，表扬(或赞扬)该表扬(或赞扬)的人

To go into business: to start a business 从事商业

Good thinking: good idea, smart planning 好见解

To have a heart of gold: to be very kind and giving有一颗金子般的心; 心地善良

Help yourself: serve yourself 请自便

To be in bad mood: unhappy, depressed; 心情不好

just what the doctor ordered: exactly what was needed正是大夫说的（对症下药）

to make a bundle: to make a lot of money 大捞一笔

to be on edge: nervous: irritable紧张不安；心烦意乱；恼怒

out of this world: delicious十全十美的，极优秀的；非凡的，妙到极点的；好得难以形容，好得不可思议

to pig out: to eat greedily; to stuff oneself贪婪地大吃；暴饮；贪吃，狼吞虎咽地吃，吃得多：
I only have a meal of bread, bananas and ice cream; do I pig out?
我一顿只吃面包、香蕉和冰淇淋；难道我还算吃得多么?