"having a slippery surface," c. 1500, from Middle English sliper (adj.) "readily slipping," from Old English slipor "slippery, having a smooth surface" (see slip (v.)) + -y (2). Metaphoric sense of "deceitful, untrustworthy" is first recorded 1550s. Related: Slipperiness. In a figurative sense, slippery slope is first attested 1844. Slippery elm (1748) so called for its mucilaginous inner bark.
实用例句
1. The clay court was slippery and he was unable to move freely.
红土网球场很滑，他不能自如地移动。
来自柯林斯例句
2. Better driv-ing equipment will improve track adhesion in slippery conditions.
较好的驾驶设备能够提升在湿滑路面上的抓地力。
来自柯林斯例句
3. The tiled floor was wet and slippery.
瓷砖地面又湿又滑。
来自柯林斯例句
4. Motorists were warned to beware of slippery conditions.
