Only the blades are altered, from rubber to plastic, still with the guardless bumper-edge safety blade.
At a time when passengers are being forced to pay the most expensive train fares in Europe, they also face the prospect of unstaffed stations and guardless trains.
‘At present, his _guarded_ manner and his reluctance to discuss his previous symptoms or violent behaviour make a detailed examination of his mental state extremely difficult.’
词性:|adjective|
‘he has given a _guarded_ welcome to the idea’
