| 单词 | a tough proposition |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔proposition〕Even among seasoned mountaineers Pinnacle Ridge is considered quite a tough proposition.即使在经验丰富的登山者中，平纳克尔峰也被认为是很难攀登的。柯林斯高阶〔proposition〕Even among seasoned mountaineers Pinnacle Ridge is considered quite a tough proposition.即使是经验丰富的登山者, 也会认为平纳克尔峰很难攀登。外研社新世纪〔proposition〕The election will be a tough proposition for the mayor.这次选举对市长来说有些困难。韦氏高阶 |
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