1、But aides say they detect a bit of wistfulness in his voice.
不過(guò)，他的助手們說(shuō)，他們察覺(jué)到布什的語(yǔ)氣中有一絲。

2、It is thus with a certain wistfulness that some South Africans contemplate a post-Mandela era.
因而一些南非人開(kāi)始憂慮和沉思一個(gè)后曼德拉時(shí)期。

3、They detect a bit of wistfulness in his voice.
他們察覺(jué)出布什的說(shuō)話聲中帶有一絲傷感。