Standards of morality seem to be dropping.

　　道德標(biāo)準(zhǔn)似乎在下降。

　　She's been dropping subtle hints about what she'd like as a present.

　　她不斷隱隱暗示她喜歡什么樣的禮物。

　　He was always dropping clangers.

　　他總是出岔子，令人十分尷尬。

　　She spent most of the day dropping in on friends in Edinburgh.

　　她一天的大部分時間都用來拜訪在愛丁堡的朋友了。

　　Just as I was dropping off, a strange thought crossed my mind.

　　就在我打瞌睡的時候，一個奇怪的念頭閃過我的腦海。

　　Meanwhile, United Nations plans to start air dropping food to rural villages are being held up.

　　與此同時，聯(lián)合國向鄉(xiāng)村空投食物的計劃被擱置。

　　He felt hot tears dropping onto his fingers

　　他感覺到熱淚掉到他的手指上。