1. 偶遇：drop a pinch of salt on the tail of 诱惑 | drop across 偶遇 | drop anchor 抛锚

2. 偶然遇见 训斥, 遣责：to the last drop of one's blood (战斗)到最后一滴血 | drop across 偶然遇见 训斥, 遣责 | drop asleep 不觉睡着; 安然死去

3. [俗语] 偶遇(某人)：drop a stitch 织漏一针. | drop across [俗语] 偶遇(某人). | drop altitude 空投高度.

4. 偶然碰到/发现,训斥：drive sb. to do sth. 迫使某人做某事 | drop across 偶然碰到/发现,训斥 | drop away (一个个地)离去/散去