She twisted in her chair when I called her name.

　　我喚她的名字時(shí)，她坐在座椅上轉(zhuǎn)過(guò)身來(lái)。

　　She shifted into a more comfortable position on the chair.

　　她換了一個(gè)更舒適的姿勢(shì)坐在椅子上。

　　We wanted to buy the chairs but another couple were bidding against us.

　　我們想買(mǎi)下那幾把椅子，但另一對(duì)夫婦在同我們較勁出價(jià)。