1.grudge against 怨恨
例句：An employee might have a grudge against the company.
雇員可能對公司有攻擊動機。
2.guard against 防止，防范
例句：Be on your guard against pickpockets.
提防扒手。
3.guess at (或about) 推測，猜測
例句：Just guess at what the change should be?
只是猜測應該是什么改變？
4.guest lecturer 客座講師
例句：The only person who understood the guest lecturer was the professor.
唯一能聽懂特邀演講人的是教授。
5.gym bag 運動包傲運動器械、運動服裝
例句：Hayden grabbed his gym bag, and we raced downstairs.
海登拿起他的運動包和我一起跑到樓下。
6.gym shoes 運動鞋
例句：I still have the courage to go gym shoes.
我還是沒有勇氣穿鞋去體育館。