重點講解：
1. shoot down 擊落；
例句：The wings of the bird fluttered after it had been shot down.
那鳥被擊落后翅膀仍在抖動a^m#**e[s)ya。
2. depend on 取決（于）；有賴（于）；
例句：How much can you get depend on how much you pay.
你能得到多少取決于你付出了多少kN;@5p.eW=|#pn[Xo8。
3. end up 最終；結果；到頭來；
例句：I must play my spare time well, or I end up doing nothing.
我必須善于利用空閑的時間，否則生命將會在無所事事中告終atS;h*(JWnUAHnypsXo。
4. a bunch of 大量；大批；
例句：John has a bunch of friends and often gets their help.
約翰有一幫朋友并且經常得到他們的幫助AkDjJ!an6hcgL%e。
5. on one's behalf 為（某人）；替（某人）；
例句：He's not here. I'll sign for these documents on his behalf.
他不在，我代他簽收這些文件R3suq3^*qjdS;CfyXT。