n.失望；松懈；飛機(jī)的程序下降

Not getting an invitation to the party is a big letdown for Jill. 沒(méi)有接到參加晚會(huì)的邀請(qǐng)，吉爾感到十分失望。

To some, the apparent limitations of quantum computers might come as a letdown. 或許會(huì)有些人認(rèn)為，量子電腦明顯的局限真是令人失望。

Although no team is letdown proof, KG will require that his teammates sweat the details. 盡管沒(méi)有球隊(duì)有顯得松懈的證據(jù)，但是加內(nèi)特則一直要求自己的隊(duì)友在球場(chǎng)上揮灑汗水來(lái)掃出后顧之憂。