重 点
A bid for something or a bid to do something is an attempt to obtain it or do it. 努力尝试
verb [vt. 及物动词] 出价；投标，竞标；努力争取；（纸牌戏中的）叫牌；命令，吩咐；打招呼，示意；邀请
The bank announced its intention to bid. 银行宣布了其投标意向。
noun [抽象名词] 出价，喊价；投标；努力，尝试；（纸牌戏中的）叫牌
Hanson made an agreed takeover bid of $351 million. 汉森按约定出价3.51亿美元进行收购。
| 过去式 | 过去分词 | 现在分词 |
|---|---|---|
| bid | bid | bidding |
| bade | bade | |
| bad | bidden |
“必得” → 出价时抱着必得的态度 → 出价
