打敗游泳隊隊長
Sandy and Zack are classmates. They are in a swimming class.
珊迪和柴克是同學。他們在上游泳課。
swimming class游泳課
Sandy: Zack! You swam so fast!
珊迪：柴克！你游好快！
fast(adv.)快速地
Zack: Did I?
柴克：是嗎？
完整句子應該是did I swim so fast
Sandy: You swam faster than the captain of the swimming team.
珊迪：你剛剛游得比游泳隊隊長還快。
faster than比…還快、fast副詞與形容詞同型、比較級變化也相同captain(n.)隊長team(n.)隊、小組
Zack: Wow! Did I get first place?
柴克：哇！我剛剛得第一名嗎？
first place第一名
Sandy: You did! You totally stole his thunder back there.
珊迪：沒錯！完全搶了隊長鋒頭。
steal one′s thunder搶鋒頭、偷別人點子back there剛才
Zack: I guess I didn’t practice for nothing.
柴克：我的努力練習沒有白費。
practice(v.)練習not do it for nothing沒有徒勞無功
Sandy: You should sign up for the swimming contest.
珊迪：你應該報名參加游泳比賽！
sigh up for sth.報名參加contest(n.)比賽
Zack: I don’t have the guts to do that.
柴克：我沒有勇氣去參加比賽啦。
have the guts to do sth.有膽去、有勇氣
Sandy: Believe in yourself! The coach will ask you to do that for sure.
珊迪：相信自己！教練肯定會叫你去比。
believe in oneself相信自己coach(n.)教練for sure絕對
Zack: You think so? Maybe I should give it a try.
柴克：是這樣嗎？也許我應該嘗試一下。
give it a try=give it a go試試看