[countable, usually singular] a small amount or number of sth, coming or going slowly
稀疏缓慢往来的事物◆There has been a steady trickle of redundancies over the last few months.
过去几个月里一直在不断三三两两地裁员。◆The crisis has slowed exports to a trickle.
这场危机使出口降得很低。