B2 a line of bushes or small trees planted very close together, especially along the edge of a garden, field, or road（尤指花园、田块或马路边缘的）树篱
She kicked the ball so powerfully that it flew over the hedge.
I was sitting in the garden when suddenly my neighbour's head bobbed up from behind the hedge.
a way of protecting, controlling, or limiting something保护（或控制、限制）手段
specialized language a word or phrase that makes what you say less strong让表述内容的严重程度降低的单词（或词组）
[ T + adv/prep, usually passive ] to limit something severely严格限制
[ I ] to try to avoid giving an answer or taking any action避免答复，拐弯抹角，回避