16. he says he's sick, but i think he just doesn't wanna join us anymore. 他说他病了,但我想他只是不愿再加入我们的行列. (他以生病为借口) 是 it's an excuse that he's sick. 或 he's using sickness as an excuse. 还有 i'm gonna call in sick 是"(向工作单位等)请病假"之意, 真假的时候都可以说.
17. no. a ratty-haired bookworm, in this day and age? 噢!现在都什么时代了,还有这种满头邋遢头发的书呆子? ratty-haired 是"邋遢的头发"之意. bookworm 如字面所示,是"书虫(书呆子)"的意思. "用功念书的古怪家伙"在美国俚语中是 nerd, 而英国俚语指猛k(啃)书的人则说 swot.
18. that guy! he took our club's video camera home. 那个家伙!他把我们社团里的摄像机拿回家了. guy 是"家伙,(男)人之意;在美国还用 jerk "讨厌鬼" 如: what a gerk! 表示"好家伙!"之意. you shouldn't help yourself to our club equipment. 是(你不可将我们的社团公物私用)之意.
19. i invite people to join our club. 我邀请人来参加社团. invite...over 是"邀请人来家里"之意. invitation 是"请柬". 请柬上注明 r.s.v.p. (法语 repondez s'il vous plait 的简称)时, 表示 please reply. (出席与否请复函)之意.
20. i agree grudgingly. 我勉强的同意. 形容词 grudging 是"不情愿的,勉强的"之意. grudging praise 是"不情愿说的奉承话". 动词 grudge 是"吝惜"的意思.