no obj.
1
- walk for pleasure in the countryside, typically without a definite route（在乡间）闲逛, 漫游; 漫步。
1.1
- (of a plant) put out long shoots and grow over walls or other plants（植物）蔓生, 蔓延。
2
- talk or write at length in a confused or inconsequential way漫谈, 聊天; 信笔写：
Willy rambled on about Norman archways.
威利漫无边际地大谈诺曼式拱道。
- a walk taken for pleasure in the countryside（乡间的）闲逛, 漫游; 漫步。
词源
late Middle English (as a verb in sense 2)： probably related to Middle Dutch rammelen, used of animals in the sense 'wander about on heat', also to the noun RAM.